INATURALIST Observations 257747269
GBIFID: 5036842283;; Coordinate Uncertainty in Meters: 28649.00000.

INATURALIST Observations 257748900
GBIFID: 5036789743;; Coordinate Uncertainty in Meters: 28649.00000.

INATURALIST Observations 252408188
GBIFID: 4987487861;; Coordinate Uncertainty in Meters: 28620.00000.

GBIFID: 5007856650; Occurrence Remarks: Not looking good for this species in slo county ðŸ˜”;; Coordinate Uncertainty in Meters: 28649.00000.

Occurrence Remarks:; Coordinate Uncertainty in Meters: 28563.00000.

Monterey, California: 36.066609, -120.656691: : 9/10/2025: bobstafford805: 10 Sep 2025 ; Coordinate Uncertainty in Meters: 28592.00000.

Unknown, California: 36.210419, -120.743563: : 3/14/2026: max_forster: 14 Mar 2026 ; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 4953002302; Occurrence Remarks: Approximately 100 individuals adjacent to the confluence of the San Benito River;; Coordinate Uncertainty in Meters: 28563.00000.

San Benito, California: 36.210526, -120.716172: : 8/24/2025: Paul G. Johnson: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Occurrence Remarks: Occurrence Remarks: clear creek BLM oak flats campround and jade creek campground and serpentine outcropping nearby. 36.369091, -120.754081; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 4952660663; Occurrence Remarks: Approximately 500 individuals in a 1/2 mile stretch of river.;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 2576381938; Occurrence Remarks: Private property accessed with permission.;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 1306577524; Occurrence Remarks: Two BLM permits are required to access this area. Be sure to call ahead to get the gate combo!;; Coordinate Uncertainty in Meters: 28548.00000.

Fresno, California: 36.267111, -120.63102: : 8/24/2025: Paul G. Johnson: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Unknown, California: 36.322465, -120.694398: : 3/14/2026: theferalforager: 14 Mar 2026 ; Coordinate Uncertainty in Meters: 28563.00000.

Fresno, California: 36.292437, -120.623774: : 9/7/2025: James Bailey: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Fresno, California: 36.316281, -120.64464: : 9/7/2025: James Bailey: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 3456383796; Occurrence Remarks: Very small young-of-the year, maybe 2cm long.;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 3888891594; Occurrence Remarks: in the San Lorenzo River, on Monterey Co. side, on private ranch (access via permission);; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 3889168574; Occurrence Remarks: more than 20 of them, back in 2006, along Arroyo Leona on a private ranch;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 1099971433; Occurrence Remarks: While walking along Clear Creek Rd towards San Benito Mountain I heard this lone frog calling. Considering the lack of nutrients in the water and years of mining in the area I was amazed to find this Foothill Yellow-legged Frog in Clear Creek.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 4952795788; Occurrence Remarks: Observed wedged beneath paved surface across water feature;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 5176958942; Occurrence Remarks: A ton of these along Clear Creek;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 1580507263; Occurrence Remarks: About 3.5 cm total length.;; Coordinate Uncertainty in Meters: 28548.00000.

San Benito, California: 36.309643, -120.972798: : 8/24/2025: Paul G. Johnson: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

San Benito, California: 36.34759, -120.926645: : 8/24/2025: Paul G. Johnson: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Monterey, California: 36.285616, -120.719705: : 9/7/2025: nmoorhatch: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

San Benito, California: 36.354727, -120.747771: : 9/7/2025: nmoorhatch: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

San Benito, California: 36.356647, -120.609583: : 5/19/2025: Todd Easterla: 19 May 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Occurrence Remarks: Occurrence Remarks: Lots of tadpoles, some fish, few frogs.; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.081965, -121.707852: : 5/30/2026: edwardrooks: 30 May 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: 3 adult, 1 juvenile observed at location; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.04597, -119.232556: : 2/26/2026: Chris Winchell: 26 Feb 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.062691, -119.344537: : 2/26/2026: Chris Winchell: 26 Feb 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: 1 adult; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.016022, -119.216887: : 2/24/2026: Chris Winchell: 24 Feb 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.030096, -121.795299: : 1/30/2026: James Maughn: 30 Jan 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

San Benito, California: 36.393234, -120.772499: : 9/27/2025: kellyalycemcdonald: 27 Sep 2025 ; Coordinate Uncertainty in Meters: 28563.00000.

Unknown, California: 37.01766, -121.689278: : 3/10/2026: Parsa Fard: 10 Mar 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.064102, -121.441969: : 3/14/2026: taylormcintire: 14 Mar 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 36.593611, -120.70618: : 3/19/2026: roxmostafavi: 19 Mar 2026 ; Coordinate Uncertainty in Meters: 28534.00000.

Santa Cruz, California: 37.003272, -121.842604: : 12/3/2025: curtoid: 3 Dec 2025 ; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 3764473226; Occurrence Remarks: Egg mass, tadpoles, and adult;; Coordinate Uncertainty in Meters: 28563.00000.

GBIFID: 3858920818; Occurrence Remarks: Observation within Henry Coe SP.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4091861268; Occurrence Remarks: Bald Peaks to Serpentine Loop Trails - Calero County Park, Santa Clara County, California;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4431160231; Occurrence Remarks: The frogs are clustering at the less exposed edge of the diminishing puddle. Previous visits to this same contracting puddle remainder of a winter stream: https://www.inaturalist.org/observations/185494632 https://www.inaturalist.org/observations/182392473; https://www.inaturalist.org/observations/181313849; Tadpoles seen one month earlier in this same spot: https://www.inaturalist.org/observations/174170268;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4599940233; Occurrence Remarks: Frog carcases under water on bottom of puddle. Photos taken at same time+place as https://www.inaturalist.org/observations/188300735;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4431163208; Occurrence Remarks: Single frog photos that accompany the frog cluster photos taken at the same time: https://www.inaturalist.org/observations/188300735. The first photos in this series are of the largest observed frog (3-4cm?) who was somewhat unresponsive to our proximity.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4535740499; Occurrence Remarks: 5 observed;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4535969568; Occurrence Remarks: 6 observed;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4852760571; Occurrence Remarks: cnddb ROZ24F0028;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4852833279; Occurrence Remarks: cnddb ROZ24F0028;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4872204796; Occurrence Remarks: 8 egg masses present with three adults in Llagas Creek;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4872075544; Occurrence Remarks: Egg masses present along creek. Surveys conducted with permitted biologist. Presumed larvae within immediate vicinity of egg masses along stream bed.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4874992472; Occurrence Remarks: cnddb: ROZ24F0044;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4875553690; Occurrence Remarks: cnddb: ROZ24F0044;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4875348507; Occurrence Remarks: cnddb: ROZ24F0044;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4875123298; Occurrence Remarks: cnddb: ROZ24F0044; some P. regilla tadpoles in photo as well;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4891938939; Occurrence Remarks: Handled under supervision of FYLF permit holder. Will get these added to CNDDB ASAP;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4892023760; Occurrence Remarks: Will get this uploaded to CNDDB ASAP;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4904301515; Occurrence Remarks: Handled for identification only. In river with other individuals;; Coordinate Uncertainty in Meters: 28534.00000.

GBIFID: 4903845636; Occurrence Remarks: ~Surveyed for and handled under permitted biologist~ [Compare to figures in Stebbins (Peterson Field Guide) for Rana mouth If youre interested, I feel like I got better ones with a [separate observation Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4904270953; Occurrence Remarks: Surveyed for under permitted biologist;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4904233175; Occurrence Remarks: Surveyed for and handled under permitted biologist.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4936361428; Occurrence Remarks: Tadpoles in some of the shots. Most frogs small. 2-3 dozen, mostly on the edges of the shrinking puddle.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4953110467; Occurrence Remarks: Puddle size & frog population reduced in past week. The few frogs leapt under underwater leaves on our approach, not photographable in time. 7 days ago: https://www.inaturalist.org/observations/242960813 14 days ago: Puddle size stabilized since one week ago https://www.inaturalist.org/observations/241527650;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 5134094898; Occurrence Remarks: Second week these eggs have been observed. Same spot contains fish (3long) ided as Coastal Roach Hesperoleucus venustus;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1586143575; Occurrence Remarks: Coe State Park, Poverty Flats;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1702485612; Occurrence Remarks: Metamorph;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1807294332; Occurrence Remarks: one of 121 egg masses seen on a six-mile stretch of this stream.;; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.419353, -121.761321: : 7/6/2025: thomasmonroemiller: 6 Jul 2025 :

Occurrence Remarks: Occurrence Remarks: Frog species; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Occurrence Remarks: Active bullfrog control program occurring to help support FYLF; Coordinate Uncertainty in Meters: 28388.00000.

Alameda, California: 37.506708, -121.899337: : 11/29/2025: pica_nuttalli: 29 Nov 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.495661, -121.921224: : 4/25/2026: Rebecca Tarvin: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Occurrence Remarks: Large puddle vestige of stream contained blend of tadpoles and frogs. Some frogs fairly large (3-4 inches). Difficulty photoing frogs due to reflects and to their hiding once observed!; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.117812, -119.374433: : 4/23/2026: Chris Winchell: 23 Apr 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.508869, -121.737607: : 2/9/2026: Shan L: 9 Feb 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.451795, -121.666079: : 3/4/2026: Shan L: 4 Mar 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Juvenile (approx 2.5) observed on granite seep; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: 4 adults, 1 juvenile; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: Large; Coordinate Uncertainty in Meters: 28417.00000.

Unknown, California: 37.379209, -121.375759: : 5/1/2026: jprbelli: 1 May 2026 ; Coordinate Uncertainty in Meters: 28417.00000.

Occurrence Remarks: certified professional biologist with permits identified; Coordinate Uncertainty in Meters: 28417.00000.

Unknown, California: 37.519116, -121.825922: : 5/3/2026: bonebucket: 3 May 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: foothill yellow-legged frog tadpole , eyes on top; Coordinate Uncertainty in Meters: 28417.00000.

Unknown, California: 37.47281, -121.932957: : 5/4/2026: taco_night: 4 May 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.179033, -121.578538: : 4/24/2026: amanda kaufman: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.169259, -121.903414: : 5/7/2026: Justin Chiang: 7 May 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.100051, -121.709935: : 3/10/2026: Parsa Fard: 10 Mar 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: Gravid female; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.442413, -121.8338: : 3/30/2026: Ronald Carlos Garay: 30 Mar 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: One of 6 Egg masses observed in Llagas creek; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.134885, -121.733474: : 4/4/2026: moss_knightt: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.155924, -121.763237: : 4/4/2026: Jeff Alvarez: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: Uploaded tadpoles in another observation incase theyre another specie.; Coordinate Uncertainty in Meters: 28447.00000.

Unknown, California: 37.147289, -121.520099: : 4/4/2026: Mari Ferlin: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: Many tadpoles, few frogs relative to 3 days ago. Increased activity on the trail (preping for race tomorrow) might have frogs in hiding.; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.14451, -121.587513: : 8/7/2025: tomoto: 7 Aug 2025 ; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.160461, -121.781815: : 6/28/2025: Jeff Alvarez: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.178415, -121.661022: : 6/25/2025: Jeff Alvarez: 25 Jun 2025 ; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.198676, -121.673159: : 6/28/2025: Phillip Samples: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 28447.00000.

Santa Clara, California: 37.461515, -121.848402: : 10/10/2025: jschweg: 10 Oct 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.1486, -121.958431: : 3/19/2026: mattrenfro01: 19 Mar 2026 ; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 3743281740; Occurrence Remarks: in Alameda Creek, small frog;; Coordinate Uncertainty in Meters: 28388.00000.

Santa Clara, California: 37.407165, -121.908161: : 4/8/2022: bayareafamiliesoutside: 8 Apr 2022 :

GBIFID: 3873491539; Occurrence Remarks: @jmaughn;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1914331844; Occurrence Remarks: Slight deformity on right hind leg, which was considerably smaller than the left.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4414038359; Occurrence Remarks: Tadpoles evident in one of these photos. Water pool size and number of frogs reduced from one week ago.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4414263739; Occurrence Remarks: Lots of metamorphs and juveniles in a little pond in an otherwise dry streambed;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4420931615; Occurrence Remarks: Previous visits to this same contracting puddle remainder of a winter stream: https://www.inaturalist.org/observations/182392473; https://www.inaturalist.org/observations/181313849; Tadpoles seen one month earlier in this same spot: https://www.inaturalist.org/observations/174170268;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4436180923; Occurrence Remarks: Previous visits to this same contracting puddle remainder of a winter stream: https://www.inaturalist.org/observations/188300735 https://www.inaturalist.org/observations/185494632 https://www.inaturalist.org/observations/182392473; https://www.inaturalist.org/observations/181313849; Tadpoles seen one month earlier in this same spot: https://www.inaturalist.org/observations/174170268;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4438700202; Occurrence Remarks: lifer;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4465731258; Occurrence Remarks: It has been nearly one month since weve seen frogs at this site.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4597436295; Occurrence Remarks: 2 present with many tadpoles in water, not sure if tadpoles were chorus frog or foothill yellow legged, definitely not toad tadpoles however;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4606986770; Occurrence Remarks: Much larger than the other ones I saw, and much more cautious and shy.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4607212598; Occurrence Remarks: Enjoyed my time sitting on a rock, watching the creek, and listening to the infrequent, faint, and low-pitched calls of this guy.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4872576968; Occurrence Remarks: Egg masses present along creek. Surveys conducted with permitted biologist. Presumed larvae within immediate vicinity of egg masses along stream bed. Unsure what caused the white embryos..;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4872425889; Occurrence Remarks: Egg mass;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 2235515814; Occurrence Remarks: Young adult. Just found one in side pool of Creek. Yellow on the underside of legs.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4904120647; Occurrence Remarks: Approximately 400 larvae of FYLF present and 6 adults. With one bullfrog, that was removed.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4904300295; Occurrence Remarks: Surveyed and handled under permitted biologists.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4921751517; Occurrence Remarks: An abundance of Foothill Yellow-legged frogs & tadpoles [Rana boylii] as their puddle shrinks;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4946101642; Occurrence Remarks: Still plentiful, mostly small, in remaining puddle where a creek once flowed;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 4946350233; Occurrence Remarks: Smaller puddle, fewer frogs;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 2239018799; Occurrence Remarks: Probably R. boylii given the weak dorsolateral ridges, but not sure a species ID is possible from this photo.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4950050704; Occurrence Remarks: Puddle size stabilized since one week ago https://www.inaturalist.org/observations/241527650;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 5133322580; Occurrence Remarks: The full-grown frogs have been observed for years in this same stretch of the stream.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 5133953342; Occurrence Remarks: good amount of these out today, and lots of egg masses as well;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 5199083679; Occurrence Remarks: largest one iâ€™ve ever seen, maybe 4.5inches,;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 2423138874; Occurrence Remarks: Metamorphs all clustered around one small pool.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 3398750322; Occurrence Remarks: Tadpole.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 3398693329; Occurrence Remarks: Small individual. We expected to find many more of these frogs this time of year.;; Coordinate Uncertainty in Meters: 28373.00000.

Unknown, California: 37.402864, -121.923303: : 4/25/2026: johnwmyles: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 891072224; Occurrence Remarks: As soon as I saw the Little Yosemite area of Sunol, I figured yellow-leggeds were a possibility: fast-flowing water, pools, rocks. Unfortunately there were also abandoned water bottles, dogs, and cows, so I had doubts. Luckily those doubts were unfounded.;; Coordinate Uncertainty in Meters: 28373.00000.

GBIFID: 899951314; Occurrence Remarks: Pair in amplexus;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1500251190; Occurrence Remarks: Glad we were able to find one! And that I brought my underwater camera.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 3113348064; Occurrence Remarks: SDSF survey, photographed in-situ;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1677319490; Occurrence Remarks: Found in creek near Poverty Flat.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1677319318; Occurrence Remarks: In creek near Poverty Flat.;; Coordinate Uncertainty in Meters: 28447.00000.

GBIFID: 1024232092; Occurrence Remarks: Ive seen them upstream here at Yosemite Falls. This stream behind the Visitors Center was alive with life. A spectacular site.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1024232131; Occurrence Remarks: With a tasty damselfly in its mouth!;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 3343881797; Occurrence Remarks: Alameda County , California .;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1038295519; Occurrence Remarks: About 10 individuals seen today .;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1807291347; Occurrence Remarks: Foothill Yellow-legged Frog, Coyote Creek;; Coordinate Uncertainty in Meters: 28447.00000.

Occurrence Remarks: Plenty of tadpoles but no frogs. Plenty of small fish.; Coordinate Uncertainty in Meters: 28447.00000.

Mariposa, California: 37.449464, -120.05023: : 8/25/2025: Jeff Alvarez: 25 Aug 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Santa Clara, California: 37.414639, -121.948999: : 8/27/2025: Helen Hancock: 27 Aug 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Yellow legged as I understand, if anyone can help with subspecies; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Yellow legged I think, though I still dont know the subspecies; Coordinate Uncertainty in Meters: 28388.00000.

Santa Clara, California: 37.453062, -121.824923: : 7/6/2025: Guillermo Roque: 6 Jul 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Santa Clara, California: 37.481674, -121.800974: : 9/13/2025: Cat Chang: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Santa Clara, California: 37.414754, -121.956463: : 9/13/2025: J. Bagratuni: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: Occurrence Remarks: MANY! As in 20+ FYLF in this small isolated pool along the Russian river! IΓÇÖve never seen them here before and seeing this many is a treat!; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: Occurrence Remarks: only one i could see :( (this is the native one i believe?); Coordinate Uncertainty in Meters: 28329.00000.

Marin, California: 38.119343, -122.663096: : 10/22/2025: sirhikesalot: 22 Oct 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Alameda, California: 37.579587, -121.840045: : 10/23/2025: emmashelton: 23 Oct 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Sonoma, California: 38.483479, -122.571089: : 10/26/2025: alltheanimals: 26 Oct 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.515083, -123.300243: : 10/18/2025: sonomacoastranch: 18 Oct 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Marin, California: 38.060288, -122.621504: : 10/18/2025: sirhikesalot: 18 Oct 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Occurrence Remarks: A small Yellow-legged Frog waiting for a meal to fly or crawl by on the other side of the unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Occurrence Remarks: Some more small Yellow-legged Frogs waiting for a meal to fly or crawl by on the East side of a local unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Unknown, California: 37.951896, -122.786991: : 4/26/2025: marialdridge: 26 Apr 2025 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.870532, -122.706131: : 4/21/2024: shaktigoose: 21 Apr 2024 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.867765, -122.657344: : 6/13/2024: egoldbeckdimon: 13 Jun 2024 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.919773, -122.763539: : 7/11/2024: Christian Naventi: 11 Jul 2024 ; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: Cascade Canyon OSP Small frog on gray rock. Large frog at upper right edge of grey rock.; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: 1 fresh out of the water, 1 almost out of the water; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.899935, -122.671376: : 9/11/2024: Alex Single: 11 Sep 2024 ; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: I was careful to not step anywhere in the creek bed.; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: Handles conducted under state permits; Coordinate Uncertainty in Meters: 28240.00000.

Occurrence Remarks: RR; Coordinate Uncertainty in Meters: 28210.00000.

Sonoma, California: 38.67576, -122.951926: : 9/13/2025: Stop4Snakes!: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 38.56069, -122.884783: : 4/19/2026: oldtown: 19 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.274777, -122.470938: : 4/19/2026: oldtown: 19 Apr 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Occurrence Remarks: 7 adult FYLF observed in upper falls pool. Amplexus; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 38.44701, -122.151603: : 4/24/2026: Brandon Mukogawa: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.540171, -122.104262: : 4/24/2026: K Calderala: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.551388, -122.077959: : 4/24/2026: K Calderala: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.445258, -122.072504: : 4/24/2026: K Calderala: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.506721, -122.162439: : 4/25/2026: Eric Smith: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Sonoma, California: 38.614197, -123.103838: : 11/2/2025: Stop4Snakes!: 2 Nov 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: 2 juveniles observed in rip rap and 1 adult observed basking on nearby rock adjacent to stream; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.262384, -122.528536: : 5/19/2026: John Lynch: 19 May 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Unknown, California: 37.589229, -121.882047: : 5/22/2026: Rayyan Syed Ibrahim: 22 May 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.902206, -122.763974: : 5/17/2025: Sadiebird: 17 May 2025 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 38.511246, -122.37686: : 8/12/2025: Sietse de Vries: 12 Aug 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.388683, -122.576809: : 2/7/2026: Paul Barnett: 7 Feb 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Unknown, California: 38.564025, -122.421971: : 2/20/2026: michaelmcgurl: 20 Feb 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 37.535383, -121.882: : 2/25/2026: zjel: 25 Feb 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Unknown, California: 37.900843, -122.691295: : 3/2/2026: xookapi: 2 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.876854, -122.643987: : 3/2/2026: xookapi: 2 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 37.876971, -122.687093: : 3/2/2026: xookapi: 2 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: 2 individuals in a rock pool complex. One female and one male. The male is the one photographed.; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 38.375684, -122.526908: : 2/27/2026: agcypress: 27 Feb 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Unknown, California: 38.264379, -122.552465: : 4/19/2026: Tiffany: 19 Apr 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Occurrence Remarks: Maybe our tenth visit and we got rewarded with a frog sighting at the bridge.; Coordinate Uncertainty in Meters: 28329.00000.

Marin, California: 37.994724, -122.661816: : 5/3/2025: ndunklin: 3 May 2025 ; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: Egg masses and adults present.; Coordinate Uncertainty in Meters: 28270.00000.

Alameda, California: 37.550267, -121.924026: : 4/25/2025: Guillermo Roque: 25 Apr 2025 ; Coordinate Uncertainty in Meters: 28388.00000.

Marin, California: 38.089651, -122.775917: : 8/23/2025: Kelly Crumrin: 23 Aug 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Sonoma, California: 38.427523, -123.116003: : 9/24/2025: hannahguiles: 24 Sep 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Sonoma, California: 38.552644, -123.008722: : 9/24/2025: hannahguiles: 24 Sep 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Occurrence Remarks: A small Yellow-legged Frog waiting for a meal to fly or crawl by along an unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Unknown, California: 38.590993, -122.594606: : 3/25/2026: EH Outings: 25 Mar 2026 ; Coordinate Uncertainty in Meters: 28240.00000.

Occurrence Remarks: Duplicate obs of what my hiking partner saw/posted.; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: One of four individuals detected in 30m radius.; Coordinate Uncertainty in Meters: 28240.00000.

Unknown, California: 38.626403, -123.286513: : 3/29/2026: Chris Shuck: 29 Mar 2026 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 38.1333, -120.394751: : 4/3/2026: Connor OΓÇÖBrien: 3 Apr 2026 ; Coordinate Uncertainty in Meters: 28300.00000.

Unknown, California: 38.20976, -122.413242: : 4/3/2026: Sandra Knoy: 3 Apr 2026 ; Coordinate Uncertainty in Meters: 28270.00000.

Sonoma, California: 38.48896, -122.567495: : 10/5/2025: Laine McTague: 5 Oct 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Sonoma, California: 38.643191, -123.188595: : 10/5/2025: Stop4Snakes!: 5 Oct 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 37.847438, -122.632878: : 3/18/2026: Morgan Stickrod: 18 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Sonoma, California: 38.217871, -122.369992: : 7/23/2025: alex3haase: 23 Jul 2025 ; Coordinate Uncertainty in Meters: 28270.00000.

Napa, California: 38.573171, -122.405025: : 6/19/2025: Leslie Huerta Gonzalez: 19 Jun 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Occurrence Remarks: Spotted by Ron if I remember right Group hike in the Sunol Regional Wilderness All of my observations from this visit: Coordinate Uncertainty in Meters: 28388.00000.

Marin, California: 38.111036, -122.727887: : 6/26/2025: Krissa Klein: 26 Jun 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Marin, California: 38.153855, -122.657791: : 6/10/2025: Krissa Klein: 10 Jun 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Marin, California: 38.186966, -122.799933: : 6/11/2025: Krissa Klein: 11 Jun 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Marin, California: 38.07992, -122.766739: : 5/3/2025: Krissa Klein: 3 May 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Marin, California: 38.020272, -122.602867: : 5/3/2025: Krissa Klein: 3 May 2025 ; Coordinate Uncertainty in Meters: 28300.00000.

Tuolumne, California: 37.9042, -120.129458: : 9/29/2025: claudkodsuntie: 29 Sep 2025 ; Coordinate Uncertainty in Meters: 28329.00000.

Sonoma, California: 38.414425, -122.629896: : 12/7/2025: kellyclack: 7 Dec 2025 ; Coordinate Uncertainty in Meters: 66809.00000.

GBIFID: 3743315423; Occurrence Remarks: using the suggested name, but Rana boylii are present nearby.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3499586549; Occurrence Remarks: Fairfield Osborn Preserve, foot bridge, at Larkspur and Fescue trails. Note: location says Windsor but something went haywired, the frog was in the creek at Fairfield Osborn Preserve and frog bridge.;; Coordinate Uncertainty in Meters: 28240.00000.

Napa, California: 38.329172, -122.402536: : 6/3/2020: Sonoma Ecology Center- Research Department: 3 Jun 2020 :
GBIFID: 3759609045; Occurrence Remarks: Live individual encountered during salmonid snorkel visual encounter survey. Verified ID to confirm presence of protected amphibian species in this reach.;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 4945824026; Occurrence Remarks: Just upstream of little Yosemite, one of only two seen.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 3860252168; Occurrence Remarks: These were observed both as an egg mass and tadpoles;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 3858490159; Occurrence Remarks: 2 individuals are in this photo;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 3858460561; Occurrence Remarks: Yeesh. Picture of need up really blurry. Think I deleted the good shot. But 100% Boylii;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3902007203; Occurrence Remarks: Tentative;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 3343876301; Occurrence Remarks: Underwater;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 3343719304; Occurrence Remarks: There were two individuals. You can see them both in one of my photos. I think I have their ID right? Thanks for your help!;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 3874062250; Occurrence Remarks: Fairfield preserve area, w/class;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 1088910397; Occurrence Remarks: Identified in the field by Celeste Dodge, the preserve technician at Pepperwood. There were bumps on the tympanum.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 3881351825; Occurrence Remarks: Egg mass nearby;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 1848791233; Occurrence Remarks: Found in Pepperwood Creek;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3902685598; Occurrence Remarks: These photos look just like this picture. This frog had distinct reddish/ orangish lines down both sides.Yellow-legged frogs are known to be in this area on Pine Flat, the Modini Preserve;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3902376743; Occurrence Remarks: Found with California giant salamander, red-bellied newt, rough skinned newt and California newt;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3902894960; Occurrence Remarks: Unnamed tributary creek that drains eastward and south to Eticuera Creek, that in turn drains into Lake Berryessa / Putah Creek, which then drains eastward into the Central Valley. Most of these little well-camouflaged frogs quickly jump into the creek before I can spot them and take a photograph, but I was able to spot and photograph this one before it jumped into the creek water. Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3925182917; Occurrence Remarks: In unnamed creek that eventually flows into Lake Berryessa. Private Property - No Public Access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3985892035; Occurrence Remarks: Sugarloaf Ridge State Park, near Santa Rosa, CA.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3986297983; Occurrence Remarks: Sugarloaf Ridge State Park, near Santa Rosa, CA.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3985888047; Occurrence Remarks: Sugarloaf Ridge State Park, near Santa Rosa, CA.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 1088966659; Occurrence Remarks: Frog;; Coordinate Uncertainty in Meters: 28225.00000.

GBIFID: 1935578174; Occurrence Remarks: There are a lot of Yellow legged frog in this area and I have not seen any tree frogs but it could be a tree frog.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 5062636571; Occurrence Remarks: 3 adults and 100+ tadpoles in creek. Photos to come.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3344051308; Occurrence Remarks: Saw two. This one was slightly smaller than the other, at about 2 long. This part of the creek is pooling more than flowing now.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 1920839434; Occurrence Remarks: Found in a tributary that feeds into Copeland Creek;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 1122960443; Occurrence Remarks: Yellow legged frog;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 1229921893; Occurrence Remarks: Yellow-legged frog;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 2445060303; Occurrence Remarks: ðŸ¸;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 4436209980; Occurrence Remarks: Spotted in creek;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436301956; Occurrence Remarks: Spotted in creek;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436413756; Occurrence Remarks: Handled under permitted biologists;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436251376; Occurrence Remarks: In a creek, along the trail;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436274468; Occurrence Remarks: Seen in a shallow creek bed, while hiking. Metamorph;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436401853; Occurrence Remarks: Seen in a creek bed, along with four other individuals.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4436274814; Occurrence Remarks: Individual handled with permitted biologist. Same individual from publication: [Alvarez, Jeff & Cook, David & Lozano, Vanessa. (2024). Hind limb malformation in the Foothill Yellow-legged Frog, Sonoma County, California. 37. 49â€“51. Another incident of limb malformation as described below: [Jeff A Alvarez, Kyla M Garten, and David G Cook LIMB MALFORMATION IN A FOOTHILL YELLOW-LEGGED FROG (RANA BOYLII) FROM SONOMA COUNTY, CALIFORNIA, Northwestern Naturalist 102(3), 258-260, (26 November 2021).](https://doi.org/10.1898/1051-1733-102.3.258);; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4440914905; Occurrence Remarks: In unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4440787209; Occurrence Remarks: In unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3343937318; Occurrence Remarks: Three of 6 observed this day.;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 4458474730; Occurrence Remarks: Flipped quite far from creek. On side of trail. Distance from creek in 2nd photo.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 1986599660; Occurrence Remarks: Observed during foothill yellow-legged frog workshop; handled by permitted biologists.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4596990969; Occurrence Remarks: 2 others of same size observed in creek- this one found downstream of culvert on trail right before bridge;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4596955064; Occurrence Remarks: in creek;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4606897147; Occurrence Remarks: Missing part of left leg.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 5139942991; Occurrence Remarks: How many can you see?!?!;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4872068653; Occurrence Remarks: two individuals, were not on this rock earlier in the day when we crossed this creek the first time; Petaluma River Watershed;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 4872206119; Occurrence Remarks: Seen around noon in middle of Adobe Creek;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 4903791257; Occurrence Remarks: Many syntopic post-metamorphic individuals;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4919691605; Occurrence Remarks: Flipped. Many other young frogs, tadpoles, and two adults seen in same stretch of creek. Moved from under rock into creek.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 2238882177; Occurrence Remarks: Corrected location from Annadel to Sugarloaf on 8/7/2024.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4926269538; Occurrence Remarks: Yayyy! I got a picture of one ðŸ¤£;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4926209389; Occurrence Remarks: Very big and old one! Maybe 5 adults in this pool, this is the only one I could find after they all jumped in.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4935885522; Occurrence Remarks: approx. 1 young FYL Frog;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4936180038; Occurrence Remarks: Frog larvae in unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4936865497; Occurrence Remarks: In an unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4936987245; Occurrence Remarks: YOY observed in intermittent pools along creek;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4936785252; Occurrence Remarks: observed 10 young of year in the intermittent pools along the creek downstream of the park;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 4945840571; Occurrence Remarks: At the creek inlet;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4946526221; Occurrence Remarks: In an unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 31250.00000.

GBIFID: 4974032092; Occurrence Remarks: was lying upside down on trail, unsure dead or in brumation (but probably dead), put back into water off trail to avoid being stepped on;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4976297768; Occurrence Remarks: Perched on an angular cobble in a small stream. Private Property - No Public Access.;; Coordinate Uncertainty in Meters: 62500.00000.

GBIFID: 4976611500; Occurrence Remarks: Under rock in center of photo.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4976260084; Occurrence Remarks: Entangled itself in algae belly-up. Freed and immediately released.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4978513227; Occurrence Remarks: Held for size comparison. Really big one, with some reaaaaally cool coloration! Best one Iâ€™ve ever see .;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4978637840; Occurrence Remarks: 4/5 seen, didnâ€™t photograph the last one.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4980470325; Occurrence Remarks: 2 of emâ€™;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4982326991; Occurrence Remarks: Juvenile;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 5037138602; Occurrence Remarks: Coordinates are in vicinity. This is a repeat occurrence since a group of us were at an amphibian workshop this day.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 891157075; Occurrence Remarks: Thanks to Jeff Miller on this one - he knew where it lived!;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 5154874692; Occurrence Remarks: Soo many yellow leg tadpoles, great to see;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 2331920279; Occurrence Remarks: Legs forming;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 1945473407; Occurrence Remarks: The frog was sitting on a rock near a little pool of water inn a drying-up creek bed;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2451752644; Occurrence Remarks: Look carefully because it is there.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2451751619; Occurrence Remarks: Look carefully because it is there.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2451750535; Occurrence Remarks: Look carefully because it is there.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3384637415; Occurrence Remarks: Handled with permit;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3343990327; Occurrence Remarks: Saw four tadpoles with 2 legs, plus 2 adults (1 pictured in additional photos). All were in the same small/8diameter pool.;; Coordinate Uncertainty in Meters: 28225.00000.

GBIFID: 3343995335; Occurrence Remarks: Saw three other adults in separate pooled areas of creek this day.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2576288081; Occurrence Remarks: It was on the bottom of the creek in about a foot of water (crystal clear water).;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2579232844; Occurrence Remarks: Egg mass.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2580093635; Occurrence Remarks: Handled with extreme care! Would love ID confirmation since this was a new one for me. Underside was light/white. Found in slow moving pool. Horizontal pupils. Digits not enlarged at tips.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 3343735322; Occurrence Remarks: (Under water.);; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 2597728283; Occurrence Remarks: Breeding population in Copeland Creek;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 2597945026; Occurrence Remarks: This was a young-of-the-year (metamorph). There were many, mixed with Pacific tree frogs (Hyliola regilla).;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 1453128037; Occurrence Remarks: A frog or a toad, about 6-7 cm long, sitting quietly in an almost still, barely flowing Sonoma Creek, about 6 deep.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2611278859; Occurrence Remarks: Five larvae spotted here. One of the last populations of the species in this area.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1453343160; Occurrence Remarks: Three Adult foothill yellow- legged frogs found in slow moving shallow creek along Mines Road.;; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 4416633319; Occurrence Remarks: Legs appeared reddish but hard to distinguish in this photo. Taken through binoculars.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2814378496; Occurrence Remarks: Went to get picture of face, took eyes off it for foot placement, then it was gone.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2814247612; Occurrence Remarks: Odd growth on right side of abdomen.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 899968349; Occurrence Remarks: observed at Little Carson Falls, one of two known breeding locations for this species;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 1562971847; Occurrence Remarks: 4 frogs.;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 910493550; Occurrence Remarks: weird infection on leg;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 891077386; Occurrence Remarks: Adult Frog, and egg sac;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 3044689008; Occurrence Remarks: Didnâ€™t want to handle but wanted to get a photo of underside and leg for easier ID;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 1935633488; Occurrence Remarks: Found in an area of relatively calm water with low turbidity.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 1584426972; Occurrence Remarks: Gilliam Creek;; Coordinate Uncertainty in Meters: 28225.00000.

GBIFID: 3097267906; Occurrence Remarks: Photo credit: Carol Chen;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3109038607; Occurrence Remarks: Saw lots of adults this day;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3109059647; Occurrence Remarks: After this picture there was a FYLF tucked back by the eggs. Looks as if it was guarding them.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3112592414; Occurrence Remarks: Spotted by Dan Levitis.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 3333369730; Occurrence Remarks: First dead one of these Iâ€™ve seen hereðŸ™ðŸ™ðŸ™;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3384465899; Occurrence Remarks: What type of tadpoles are these??? I really hope these are not bullfrog tadpoles because that would suck because there are tons of FYLFâ€™s in this creek;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 910490306; Occurrence Remarks: New herp!;; Coordinate Uncertainty in Meters: 28195.00000.

GBIFID: 3384291140; Occurrence Remarks: Three adult frogs were asking at the edge of Stewart Pond. This is the 7th year in a row we have found adults, and/or larvae, and/or egg masses in this pond. The pond also has Channel Catfish, Largemouth Bass, and Mosquitofish;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3391406669; Occurrence Remarks: Fairfield Osborn Preserve 10/2/2021 creek;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 1831208713; Occurrence Remarks: In Copeland Creek;; Coordinate Uncertainty in Meters: 28270.00000.

Unknown, California: 37.992095, -122.714203: : 3/21/2026: willanton: 21 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Sonoma, California: 38.446607, -122.493094: : 6/17/2025: marimariposa: 17 Jun 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Napa, California: 38.524626, -122.506151: : 9/5/2025: Deniz Wilson: 5 Sep 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Marin, California: 37.972995, -122.735797: : 9/7/2025: Steven (David) Martin: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: Right below the straight orange leaf. Many many yellow legs in this pool which is separate from the river. Any and all calm pools with water plants are absolutely overrun with bullfrogs, though the over rocky areas still have boylii. Russian River; Coordinate Uncertainty in Meters: 28210.00000.

Sonoma, California: 38.463073, -123.086627: : 9/8/2025: viirgome: 8 Sep 2025 ; Coordinate Uncertainty in Meters: 28240.00000.

Sonoma, California: 38.675801, -122.868271: : 9/13/2025: Stop4Snakes!: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 37.883995, -122.727285: : 3/7/2026: ronanccarey: 7 Mar 2026 ; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, California: 39.200065, -123.290011: : 4/23/2026: scissors2kil: 23 Apr 2026 ; Coordinate Uncertainty in Meters: 28121.00000.

Occurrence Remarks: Occurrence Remarks: 3 frogs in pic1, 4 in pic2; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: All photos of same frog - it simply moved when I got my camera too close; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: FINALLY got photos of one b4 it jumped. Probably saw 30-40+ frogs that got away; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: 7-10 adult frogs in this pool; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: 1/20-1/30 of adult frogs seen today were photographed and uploaded to iNat. This is because they all got away! Great healthy pop. in this creek!; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: Just above and to the right of the dead middle of the photo; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: Snuggin with its offspring ≡ƒÿå; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Occurrence Remarks: Recaptured frog. Part of capture-mark-recapture population study.; Coordinate Uncertainty in Meters: 28030.00000.

Occurrence Remarks: Occurrence Remarks: One full grown adult and one juvenile spotted near the waterfall on Little Grizzly Creek; Coordinate Uncertainty in Meters: 28151.00000.

Occurrence Remarks: Occurrence Remarks: im not 100% that they are foothill yellow-legged frogs. i found 2, one larger one and one smaller one; Coordinate Uncertainty in Meters: 28000.00000.

Occurrence Remarks: Another small Yellow-legged Frog waiting for a meal to fly or crawl by on the East side of the unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Placer, California: 39.077982, -120.896075: : 10/15/2025: Leyton Reid: 15 Oct 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Occurrence Remarks: Another small Yellow-legged Frog waiting for a meal to fly or crawl by on the West side of the unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Mendocino, California: 38.869008, -123.05208: : 8/9/2025: smallsprout: 9 Aug 2025 ; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Two more small Yellow-legged Frogs waiting for a meal to fly or crawl by on the East side of a local unnamed creek. Private Property - No Public Access.; Coordinate Uncertainty in Meters: 62500.00000.

Unknown, California: 40.384033, -124.380192: : 8/3/2024: Patrick Hoffman: 3 Aug 2024 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 40.022708, -124.120577: : 6/26/2024: Joe Girgente: 26 Jun 2024 ; Coordinate Uncertainty in Meters: 28000.00000.

Unknown, California: 40.059209, -124.094389: : 6/26/2024: Joe Girgente: 26 Jun 2024 ; Coordinate Uncertainty in Meters: 28000.00000.

Humboldt, California: 40.219027, -124.182981: : 4/13/2025: calfirecap: 13 Apr 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 40.247621, -124.376253: : 8/3/2024: Patrick Hoffman: 3 Aug 2024 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: Maybe boreal? A boreas boreas?; Coordinate Uncertainty in Meters: 28000.00000.

Nevada, California: 39.212615, -120.944793: : 8/30/2025: tmanzanillo: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Occurrence Remarks: Dude was more than chill!; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: For the bottom frog; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: For the top frog; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: This is probably the last day I will do observations of frogs from this pool. There are about 20-30 of them in this small pool though.; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: For the big fat one; Coordinate Uncertainty in Meters: 28210.00000.

Sonoma, California: 38.680574, -122.888492: : 9/13/2025: Stop4Snakes!: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: For the smaller one; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: Aaand done. Man, I could sit and watch these frogs all day. ItΓÇÖs awesome to see them swim about, sit on top of the algae, or crawl out of the water and settle onto a rock.; Coordinate Uncertainty in Meters: 28210.00000.

Mendocino, California: 38.88454, -123.646987: : 9/13/2025: Jonah Benningfield: 13 Sep 2025 ; Coordinate Uncertainty in Meters: 28181.00000.

Mendocino, California: 39.059169, -123.501356: : 9/14/2025: James Phillips: 14 Sep 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 2236200650; Occurrence Remarks: Found near the waterfall;; Coordinate Uncertainty in Meters: 28181.00000.

Humboldt, California: 40.308688, -123.873567: : 10/15/2025: Morgan Tilton: 15 Oct 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.790326, -123.742238: : 3/20/2026: spadefeet: 20 Mar 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.629656, -123.635861: : 4/15/2026: Isaiah Woodard: 15 Apr 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Occurrence Remarks: Handled under permits for educational and research purposes. Do not handle endangered animals without permits and cause.; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.710815, -123.795979: : 4/15/2026: Isaiah Woodard: 15 Apr 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.643487, -123.77692: : 1/10/2025: inaughto: 10 Jan 2025 ; Coordinate Uncertainty in Meters: 28060.00000.

Mendocino, California: 39.07115, -123.118158: : 11/1/2025: kurenable: 1 Nov 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Mendocino, California: 39.075679, -123.098317: : 11/1/2025: kurenable: 1 Nov 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Sonoma, California: 38.836078, -122.986081: : 11/1/2025: Floyd E. Hayes: 1 Nov 2025 ; Coordinate Uncertainty in Meters: 28181.00000.

Sonoma, California: 38.689947, -123.042547: : 11/9/2025: Stop4Snakes!: 9 Nov 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Mendocino, California: 39.279458, -123.28213: : 11/6/2025: John Lynch: 6 Nov 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Humboldt, California: 40.298827, -124.299154: : 11/15/2025: Ari Kosorukov: 15 Nov 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Mendocino, California: 39.689671, -123.670049: : 11/17/2025: Samara Zenk: 17 Nov 2025 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 40.155319, -123.517767: : 5/17/2026: Grey Hayes: 17 May 2026 ; Coordinate Uncertainty in Meters: 28000.00000.

Unknown, California: 39.332591, -122.719919: : 5/14/2026: dave_g_hacker: 14 May 2026 ; Coordinate Uncertainty in Meters: 28121.00000.

Unknown, California: 40.413629, -123.12687: : 5/21/2026: jandrewsal: 21 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.252677, -124.241866: : 5/18/2026: Slythinex: 18 May 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.085145, -120.866432: : 5/24/2026: wildflowerwatching: 24 May 2026 ; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 39.299043, -123.327772: : 5/17/2026: penny_lancaster: 17 May 2026 ; Coordinate Uncertainty in Meters: 28121.00000.

Unknown, California: 40.098883, -123.603659: : 5/30/2026: sashacahill: 30 May 2026 ; Coordinate Uncertainty in Meters: 28000.00000.

Unknown, California: 39.374134, -123.356627: : 7/14/2025: Evan Bare: 14 Jul 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Unknown, California: 39.243081, -123.241317: : 7/14/2025: Evan Bare: 14 Jul 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Unknown, California: 40.045628, -123.693335: : 1/17/2026: Floyd E. Hayes: 17 Jan 2026 ; Coordinate Uncertainty in Meters: 28000.00000.

Unknown, California: 39.852019, -123.606366: : 6/7/2025: Sheldon Schultz: 7 Jun 2025 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.160126, -123.560096: : 11/20/2025: Steven Clinton: 20 Nov 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Occurrence Remarks: IΓÇÖve been searching for this species on my farm in the foothills, which is covered in waterfalls for 15 years. I canΓÇÖt believe I saw this cutie hopping across my driveway.; Coordinate Uncertainty in Meters: 28090.00000.

Occurrence Remarks: Not sure about the egg mass, but there were 2 adults in a small granite pond next to the Middle fork of the north fork of the American River. Also, not an expert for this particular species but it was north of what appears to be the range.; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 40.372297, -121.939978: : 3/7/2026: Steven Clinton: 7 Mar 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.367996, -123.325184: : 5/10/2025: scubasteverc77: 10 May 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Mendocino, California: 39.739546, -123.723548: : 11/14/2025: reagan peschke: 14 Nov 2025 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.183886, -123.370767: : 3/16/2026: shaundaera: 16 Mar 2026 ; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 40.267698, -121.929833: : 4/28/2026: Andrew Ford: 28 Apr 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: 5 small individuals seen in good stream habitat; Coordinate Uncertainty in Meters: 28030.00000.

Occurrence Remarks: We found 8 FYLFs in a short stretch of creek, including one egg mass spotted. Mostly were between 3-4in long but couple were about an inch.; Coordinate Uncertainty in Meters: 28121.00000.

Unknown, California: 40.346294, -124.315726: : 5/2/2026: bernaq: 2 May 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.750188, -123.736969: : 5/7/2026: Tim Miller: 7 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.887757, -121.661846: : 5/6/2026: monkeyflower4ever: 6 May 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.93636, -121.732975: : 5/10/2026: Kristen Kaczynski: 10 May 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 40.326925, -123.813328: : 5/9/2026: Ciara McKim: 9 May 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.843974, -123.725188: : 5/4/2026: kaypen: 4 May 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.751279, -123.793076: : 5/9/2026: gigigigigigi: 9 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.303303, -121.119487: : 5/2/2026: Michelle April: 2 May 2026 ; Coordinate Uncertainty in Meters: 28121.00000.

Sierra, California: 39.419088, -120.940763: : 9/18/2025: Kate Ruiz-Cox: 18 Sep 2025 ; Coordinate Uncertainty in Meters: 28090.00000.

Humboldt, California: 40.329297, -123.967378: : 10/1/2025: Morgan Tilton: 1 Oct 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Sierra, California: 39.438861, -120.923705: : 9/18/2025: Kate Ruiz-Cox: 18 Sep 2025 ; Coordinate Uncertainty in Meters: 28090.00000.

Unknown, California: 39.893045, -121.501738: : 1/10/2026: Chaye Vail: 10 Jan 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Occurrence Remarks: We saw at least 5 individuals in a small creek that goes into Orrs Creek; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 39.726511, -123.659355: : 5/2/2026: zwongvan: 2 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.944185, -121.745494: : 1/15/2026: Allen Harthorn: 15 Jan 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.381157, -123.207837: : 4/27/2026: scissors2kil: 27 Apr 2026 ; Coordinate Uncertainty in Meters: 28121.00000.

Occurrence Remarks: Woah! Thought these were extirpated from most of the Russian river due to bullfrogs, which I did see today.; Coordinate Uncertainty in Meters: 28210.00000.

Placer, California: 39.016414, -120.890826: : 5/17/2025: haleylmorrison: 17 May 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Sonoma, California: 38.730632, -122.909309: : 5/26/2025: Stop4Snakes!: 26 May 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: Handled with proper permits & permissions; Coordinate Uncertainty in Meters: 28151.00000.

Mendocino, California: 39.105731, -123.56142: : 5/24/2025: besenther: 24 May 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Mendocino, California: 39.150721, -123.39988: : 5/30/2025: James Bailey: 30 May 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Humboldt, California: 40.308541, -123.804748: : 9/23/2025: Eric Vanbergen: 23 Sep 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.236186, -124.044982: : 9/27/2025: christenlong: 27 Sep 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 39.783393, -123.742999: : 5/4/2026: alecva: 4 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.716008, -123.713972: : 5/2/2026: zimmstella: 2 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.821988, -121.622399: : 5/12/2026: Jon Aull: 12 May 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.144493, -120.94275: : 5/10/2026: winterwriter: 10 May 2026 ; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 39.112811, -120.882767: : 5/10/2026: winterwriter: 10 May 2026 ; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 39.694287, -123.671449: : 5/2/2026: tylertutak: 2 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 39.742097, -123.638579: : 5/3/2026: tylertutak: 3 May 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 40.284574, -123.933895: : 5/17/2026: ecodanielle: 17 May 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 40.195584, -123.579598: : 5/17/2026: Grey Hayes: 17 May 2026 ; Coordinate Uncertainty in Meters: 28000.00000.

Unknown, California: 40.318215, -124.053112: : 3/18/2026: Trystin Knowland: 18 Mar 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Unknown, California: 40.251786, -121.854264: : 3/23/2026: Denise Wight: 23 Mar 2026 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: 2 individuals seen in creek; Coordinate Uncertainty in Meters: 28151.00000.

Unknown, California: 38.747592, -123.096015: : 4/4/2026: Archer Barrett: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 39.936667, -123.1932: : 4/4/2026: Spencer Hurt: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Unknown, California: 39.710706, -121.653896: : 4/6/2026: Grant: 6 Apr 2026 ; Coordinate Uncertainty in Meters: 28060.00000.

Unknown, California: 38.720947, -123.217367: : 3/29/2026: Chris Shuck: 29 Mar 2026 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 39.942262, -121.431413: : 4/9/2026: Jon Aull: 9 Apr 2026 ; Coordinate Uncertainty in Meters: 28030.00000.

Occurrence Remarks: Found what could be a case of chytrid here a few months ago, but frogs seem to be doing A-ok. No dead frogsΓÇª and many many young frogs in the pool where the possible virus was. Also many huge adult frogs seen today, like this one; Coordinate Uncertainty in Meters: 28210.00000.

Sonoma, California: 38.706069, -123.122448: : 10/5/2025: Stop4Snakes!: 5 Oct 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Humboldt, California: 40.212269, -123.91529: : 6/20/2025: C. McKim: 20 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.247013, -123.96385: : 6/20/2025: C. McKim: 20 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.20785, -124.253251: : 7/10/2025: Anna Caro: 10 Jul 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: Observation is for the larger tadpole; Coordinate Uncertainty in Meters: 28121.00000.

Occurrence Remarks: Huge one Humboldt County; Coordinate Uncertainty in Meters: 27969.00000.

Placer, California: 39.046892, -120.843546: : 6/28/2025: typicalbluedick: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Humboldt, California: 40.351173, -123.86778: : 6/28/2025: C. McKim: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Placer, California: 39.085027, -120.980581: : 6/28/2025: waxworms: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Nevada, California: 39.198802, -120.912285: : 6/28/2025: waxworms: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Mendocino, California: 39.47674, -123.526586: : 7/11/2025: croconnolly: 11 Jul 2025 ; Coordinate Uncertainty in Meters: 28090.00000.

Mendocino, California: 39.904459, -123.82773: : 6/23/2025: Steven Clinton: 23 Jun 2025 ; Coordinate Uncertainty in Meters: 28030.00000.

Humboldt, California: 40.317649, -124.219279: : 6/1/2025: James Bailey: 1 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.246925, -124.316066: : 6/1/2025: James Bailey: 1 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.3821, -123.658871: : 10/10/2025: frazierellie: 10 Oct 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Mendocino, California: 39.244696, -123.294572: : 10/1/2025: Robin Gwen Agarwal: 1 Oct 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Mendocino, California: 38.914344, -123.602321: : 10/11/2025: almightybeak: 11 Oct 2025 ; Coordinate Uncertainty in Meters: 28181.00000.

Humboldt, California: 40.218008, -123.875156: : 8/16/2024: Neal Brown: 16 Aug 2024 ; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 1847600935; Occurrence Remarks: Young Foothill in old logging waterhole. Almost same size as a Pacific Chorus Frog;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1836626828; Occurrence Remarks: In stream.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 1837738031; Occurrence Remarks: About four inches underwater.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4974094107; Occurrence Remarks: Big old frog, hopefully dead of natural causes.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3469065484; Occurrence Remarks: Was pretty hard to get a photo of so had to handle a little bit;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3747176516; Occurrence Remarks: Iâ€™d assume one of the native Rana (Boylii?) unless itâ€™s a bullfrog. Horrible photo, so Iâ€™m hoping someone with better anuran skills can see some field mark;; Coordinate Uncertainty in Meters: 28000.00000.

GBIFID: 3888818377; Occurrence Remarks: Next to river;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 3759639324; Occurrence Remarks: There were several frogs in the area and could be heard calling.;; Coordinate Uncertainty in Meters: 28090.00000.

GBIFID: 3764486891; Occurrence Remarks: Ylf;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1839266074; Occurrence Remarks: In small pool beside large pile of highway cobble and gravel. 250 feet or more from surface water of Cable Creek;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 3772843245; Occurrence Remarks: Observation for the frog on top. This poor confused individual found a juvenile bullfrog at a lek site, must have thought it encountered a large female.;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 1847530059; Occurrence Remarks: Foothill yellow-legged?;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3874067571; Occurrence Remarks: Tagged with PIT tag number 982091062788529 as part of a movement study.;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 3070282434; Occurrence Remarks: Suffering from an apparent injury;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 3902839488; Occurrence Remarks: lil guy;; Coordinate Uncertainty in Meters: 28000.00000.

GBIFID: 3903183873; Occurrence Remarks: found with red-bellied newt;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3902668078; Occurrence Remarks: Lower Zim Zim Creek (area that is now Knoxville Wildlife Area).;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3903306535; Occurrence Remarks: Found large adult along cobblestones at North Fork American River. They are most prevalent near shallow cobblestone banks with brown algae.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 3915584222; Occurrence Remarks: Underwater;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 3915727333; Occurrence Remarks: Flushed from bank and hiding on bottom;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 3915590124; Occurrence Remarks: Subadult? Much bigger than the others (but not exactly big);; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 3963296596; Occurrence Remarks: You can see some dark coloring/blotching along the legs, but I cant tell what kind of frog it is;; Coordinate Uncertainty in Meters: 28000.00000.

GBIFID: 3947501076; Occurrence Remarks: Lots of little ones everywhere in this creek. Thought bullfrog but not sure;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 2282993712; Occurrence Remarks: Mailliard Redwoods, Mendocino County, CA;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 1883474968; Occurrence Remarks: One of 18 individuals we counted that day;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1883483472; Occurrence Remarks: During a creek survey I found this FHYL. This remains the only adult FHYL frog I have found in the 5 mile recreation area of Bidwell Park. Upstream of this portion of Big Chico Creek is an ecological reserve where the population of FHYL frogs is strong. The difference is at the reserve the population of bullfrogs is managed. In Bidwell Park, it is not managed at all.The bullfrogs have almost completely wiped out the population of FHYL frogs. Two different management philosophies with two very different results.;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 1088960146; Occurrence Remarks: Rough skinned. Found at edge of three foot deep pool in small stream.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 1883943177; Occurrence Remarks: We encountered a number of FHYL frogs during this wildlife management class field trip to the reserve. We found some very young ones.;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1883943169; Occurrence Remarks: Right on the bank of Big Chico Creek at the Big Chico Creek Ecological Reserve. FHYL frogs thrive here largely because Bullfrog populations are managed. Just down stream in Bidwell Park, FHYL frogs have nearly disappeared because of population of bullfrogs is not controlled at all.;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1891336235; Occurrence Remarks: male and female amplexing;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4091952113; Occurrence Remarks: In a wild boar wallow on a hillside, please correct me if I am wrong about species, maybe pacific tree frog??;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4096994536; Occurrence Remarks: in wild pig wallow filled with rainwater;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4112215073; Occurrence Remarks: Not sure which creek crossing this was. One of two seen;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4137759940; Occurrence Remarks: FYLF newly born tadpoles, likely today. Next to egg mass and didnâ€™t move when I lightly touched them.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 1098914442; Occurrence Remarks: New York Canyon, California;; Coordinate Uncertainty in Meters: 28105.00000.

GBIFID: 4134071404; Occurrence Remarks: And Oregon aquatic garter snake;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 1099971422; Occurrence Remarks: These frogs were fairly common in a cold, clear stream in the hills east of Ukiah along with numerous Coast Range and Rough-skinned Newts.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 4165796505; Occurrence Remarks: Seen at Montgomery Woods State Park.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 4165723375; Occurrence Remarks: Unsure;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 4172209210; Occurrence Remarks: Lots of tiny recently metamorphosed 2023 Foothill Yellow-legged Frogs in creek, but very tough to spot before and after they spook and jump into creek. This Foothill Yellow-legged Frog was older and larger and sat on top of the moss for a few seconds, which allowed me to get a couple of photos. Body Length about 2 inches. Private Property - No Public Access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4400224911; Occurrence Remarks: 3 other adults;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 4405604623; Occurrence Remarks: Found in shallow water on banks of the Mattole river. Other frogs and tadpoles were common nearby;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 4413725073; Occurrence Remarks: Tiny frog, about the size of my thumbnail. Its right arm looks like it may be underdeveloped, or deformed.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 1944383381; Occurrence Remarks: Found on the Mendocino coast;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4414203850; Occurrence Remarks: There were 2 others visible outside of the photo. The 5 I could see were about 1/5th of the frogs in the pool!;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4421270350; Occurrence Remarks: Roughly 2cm in size, possibly juvenile;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4430822601; Occurrence Remarks: Cv suggestion;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4438708997; Occurrence Remarks: Known population;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4442688848; Occurrence Remarks: In unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4442709325; Occurrence Remarks: Flippedâ€¦ away from creek. Likely came from drainage from hill in 3rd photo. Have heard of them traveling overland during rains, but had never seen evidence.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4442507024; Occurrence Remarks: Another. Closer to the creek than the last one though. Flipped.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4535902946; Occurrence Remarks: Found in-situ at edge of creek.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4607411974; Occurrence Remarks: Not pictured. Had slight stripes on the hind legs;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 4853026675; Occurrence Remarks: Eggs of Foothill Yellow-legged Frog in Southfork Eel River;; Coordinate Uncertainty in Meters: 28000.00000.

GBIFID: 4854947465; Occurrence Remarks: Found at the BCCER near some rocks;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 4867851801; Occurrence Remarks: In a very small tributary of of the American River. At least 10 other FYLF present.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 910490944; Occurrence Remarks: Frog enjoying the water, Skunk Canyon where it goes under Mosquito Ridge Road.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4901857699; Occurrence Remarks: Large and mottled, yet not large enough for bullfrog.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4901088045; Occurrence Remarks: Present with tadpoles;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 891134630; Occurrence Remarks: I observed an adult foothill yellow legged frog at the confluence of Elder Creek and the South Fork Eel River.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 4900888711; Occurrence Remarks: 4-5cm head to butt;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4919494517; Occurrence Remarks: All photos of same frog, I just spooked it trying to get clearer photos;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4923997172; Occurrence Remarks: Juvenile;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 4926298438; Occurrence Remarks: Slowly collecting real imagery for labial teeth / rows of California amphibian species. I wanted to provide some images of FYLF larvae one could [compare to figures in Stebbins (Peterson Field Guide) for Rana mouth Similar images for [CRLF larvae here](https://www.inaturalist.org/observations/177235491). ~Survey and handling conducted under permitted biologists~;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4926214574; Occurrence Remarks: Survey and handling conducted under permitted biologists.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 4926317818; Occurrence Remarks: Biiig fella! One of the only (of many many many many that I saw) yellow legged frogs i was able to photograph. Very pretty colors.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4936923989; Occurrence Remarks: There were tons, but this is the only one I could get a clear photo of.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4945741861; Occurrence Remarks: In an unnamed creek on Private Property - No Public access.;; Coordinate Uncertainty in Meters: 31250.00000.

GBIFID: 4945701206; Occurrence Remarks: ~2 cm long/wide;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 4945665008; Occurrence Remarks: In an unnamed creek on Private Property - No Public Access.;; Coordinate Uncertainty in Meters: 31250.00000.

GBIFID: 4950433545; Occurrence Remarks: 1 of 18 frogs photographed this day.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4950433199; Occurrence Remarks: 3 of 18 frogs photographed this day.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4950597050; Occurrence Remarks: 2 of 18 frogs photographed this day.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 4976197499; Occurrence Remarks: Perched on a cobble in a small stream. Private Property - No Public Access.;; Coordinate Uncertainty in Meters: 62500.00000.

GBIFID: 4976569558; Occurrence Remarks: One of the only ones I could get a photo of. A lot of frogs today, and a lot of very large ones too.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 4978335907; Occurrence Remarks: Look for it, youâ€™ll find it.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3079576628; Occurrence Remarks: Hopping about in the wet forest near south fork;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 5077027966; Occurrence Remarks: VERY calm. Poked gently with a stick and they didnâ€™t move - very unlike this species;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 5077129884; Occurrence Remarks: Poked with stick gently - didnâ€™t move, very calm;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 5077061648; Occurrence Remarks: On left of dry stone.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 5104497996; Occurrence Remarks: i am not familiar to the area so id tips would be appreciated!!;; Coordinate Uncertainty in Meters: 28090.00000.

GBIFID: 2265898067; Occurrence Remarks: Poor pictures due to bright sunlight/glare. A couple individuals observed in intermittent stream tributary to Humbug Creek under spikenard (Aralia californica) riparian vegetation along Humbug Trail.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 5134631895; Occurrence Remarks: North Fork American River at Auburn Recreation Area. This frog was sitting on top of a rock in a small spring fed pool adjacent to the river. It was no more than 2in in size and there were about 3 other of the same frogs.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 5134651048; Occurrence Remarks: These photos are all from the same pond. I saw 2 frogs and at least 10 tadpoles. The pond looked to be about 3 feet across and 1 foot deep. It was fed by a spring. There were also some frogspawn on a stick in the deeper part of the pond.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 1253302609; Occurrence Remarks: Rana boylii on the Mattole River;; Coordinate Uncertainty in Meters: 27954.00000.

GBIFID: 2350312002; Occurrence Remarks: ~2.5 inches;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 5153585074; Occurrence Remarks: Really big. Saw a lot more frogs than what I uploaded - I just didnâ€™t get pictures of most of them.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 5176875139; Occurrence Remarks: Handled with proper permits & permissions;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 2397576785; Occurrence Remarks: Foothill Yellow-legged Frog;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 1839274765; Occurrence Remarks: Foothill yellow-legged frogs are also able to change from a dark to lighter color, within about half an hour.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1703123951; Occurrence Remarks: While studying benthic macro invertebrates in the big river a student found this frog. We were able to snap a picture before returning this rare species into the water.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1270049475; Occurrence Remarks: Large egg masses in fast-flowing cold creek (Mill Creek) in Ishi Wilderness.;; Coordinate Uncertainty in Meters: 28000.00000.

GBIFID: 2429263630; Occurrence Remarks: Large adult @ 3.0 stv. creek left near H2o logger site;; Coordinate Uncertainty in Meters: 28000.00000.

Humboldt, California: 40.154223, -123.700814: : 9/9/2019: jhenrywildlifebiologist: 9 Sep 2019 :

GBIFID: 891026562; Occurrence Remarks: Yellow-legged frog in Upper Mill Creek, tributary to the Middle Fork Eel River, in Round Valley.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 2465183693; Occurrence Remarks: In the river;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1291122434; Occurrence Remarks: part of PhD research;; Coordinate Uncertainty in Meters: 28136.00000.

GBIFID: 1291122551; Occurrence Remarks: part of PhD research;; Coordinate Uncertainty in Meters: 28136.00000.

GBIFID: 1291122527; Occurrence Remarks: part of PhD research;; Coordinate Uncertainty in Meters: 28136.00000.

GBIFID: 2574154309; Occurrence Remarks: Originally seen basking on small rock next to the stream. It jumped into the water but was caught in the air. Yellow markings on inner thighs.;; Coordinate Uncertainty in Meters: 28181.00000.

Nevada, California: 39.289685, -120.938927: : 2/16/2020: Hydrocycler (Elizabeth Dougherty): 16 Feb 2020 :

GBIFID: 2580121129; Occurrence Remarks: One of 2 adults and 1 juv seen in Big Chico Creek;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1306582564; Occurrence Remarks: Found on an overnight backpacking trip in the Bloody Rock area of the Mendocino National Forest, near the Eel River.;; Coordinate Uncertainty in Meters: 28075.00000.

GBIFID: 2596054415; Occurrence Remarks: 3 adults seen in about 15 minutes of walking the river edge;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 2597864173; Occurrence Remarks: Eggs in a shallow creek. Black centers clear around the edges.;; Coordinate Uncertainty in Meters: 40951.00000.

GBIFID: 2597930105; Occurrence Remarks: One individual found on a rock with moss approximately 50-100 feet from the river. The surrounding habitat was very damp.;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 2603319619; Occurrence Remarks: among 5 other FYLF, and 6 egg masses--all in a pond.;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 2603394925; Occurrence Remarks: Adult and fresh egg mass;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 2603526316; Occurrence Remarks: Brown frog with strong, long legs, about 6long with hind legs outstretched;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 2603518550; Occurrence Remarks: ID?;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1453136306; Occurrence Remarks: Numerous froglets were seen along a rocky, cobble-filled stretch of the South Fork Big River.;; Coordinate Uncertainty in Meters: 28105.00000.

GBIFID: 891771429; Occurrence Remarks: Just in case there was any doubt on the validity of its name;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 2634403764; Occurrence Remarks: Thomes Gorge Trail;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 3109008384; Occurrence Remarks: large adult in a pool below large culvert. springfed headwaters of Humbug Canyon;; Coordinate Uncertainty in Meters: 28151.00000.

GBIFID: 2823403374; Occurrence Remarks: With Oncorhynchus sp.;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 2823407391; Occurrence Remarks: Very content in its hiding spot.;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 2850560974; Occurrence Remarks: Originally thought it was a Bullfrog only to realize it was a R. boylii. Saw two on opposite sides of the river, along with two dozen tadpoles.;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 2397707069; Occurrence Remarks: Pretty sure its R. boylii;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 3109245427; Occurrence Remarks: Boyleâ€™s swimming hole, Mendocino Woodlands State Park. Severe drought conditions, scarcely any surface flow in mainstem Big River. Two individuals seen with almost no effort. One up on gravel bar, one along waterâ€™s edge.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1562968088; Occurrence Remarks: Subadult in roadside ditch seep pond.;; Coordinate Uncertainty in Meters: 27923.00000.

GBIFID: 1562968326; Occurrence Remarks: Two egg masses. South fork eel near mouth.;; Coordinate Uncertainty in Meters: 27954.00000.

GBIFID: 3017952008; Occurrence Remarks: Scanned from an old slide. The date is accurate; the time is not. The location is accurate (and even reasonably precise).;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 3018004035; Occurrence Remarks: Scanned from an old slide. The date is accurate; the time is not. The location is accurate (and even reasonably precise).;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 3017963039; Occurrence Remarks: Scanned from an old slide. The date is accurate; the time is not. The location is accurate (and even reasonably precise).;; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 3039219068; Occurrence Remarks: Photos from 6 years ago;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 3059039581; Occurrence Remarks: Went up a small tributary and saw a three inch in length adult with red eye mask;; Coordinate Uncertainty in Meters: 28210.00000.

GBIFID: 3070432755; Occurrence Remarks: In a small rivulet directly next to the head dam of the Miocene canal. This is nearly 3 years post camp fire in an area that was heavily burned.;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 3090909792; Occurrence Remarks: The frog was about 2 beneath the surface of the water.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 2236929169; Occurrence Remarks: about 2inches long. Adults were seen all over much of the creek and its tributaries.;; Coordinate Uncertainty in Meters: 28181.00000.

GBIFID: 3112912732; Occurrence Remarks: Saw the frog but didnt see enough to determine species.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 2235561243; Occurrence Remarks: Tons of tree frogs...but is this one? Could it be a yellow legged frog?;; Coordinate Uncertainty in Meters: 28030.00000.

GBIFID: 1640088263; Occurrence Remarks: Caught in a spring pool in a mostly dried stream bed.;; Coordinate Uncertainty in Meters: 27984.00000.

GBIFID: 3113592468; Occurrence Remarks: Frog;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 1668834200; Occurrence Remarks: a little larger than my thumbnail. at rivers edge;; Coordinate Uncertainty in Meters: 28075.00000.

GBIFID: 3325517808; Occurrence Remarks: Included some habitat photos;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 1699375432; Occurrence Remarks: Multiple metamorphs and adults observed in the river.;; Coordinate Uncertainty in Meters: 28136.00000.

GBIFID: 910490303; Occurrence Remarks: a bunch of first year frogs hanging out in the riffles right where Maacama Creek hits the Russian River;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 3384363293; Occurrence Remarks: Looking for an ID. I assume its a foothill yellow legged frog but not sure.;; Coordinate Uncertainty in Meters: 28121.00000.

GBIFID: 3384892472; Occurrence Remarks: Angelo board line, board 14 under Douglas fir bark;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 3385115538; Occurrence Remarks: About 20 m from fox creek. Maybe foraging in the newly wet forest?;; Coordinate Uncertainty in Meters: 28060.00000.

GBIFID: 3384735584; Occurrence Remarks: Young of year, maybe making its way from the main stem South Fork to a feed in the surrounding forest for the first time.;; Coordinate Uncertainty in Meters: 28060.00000.

Occurrence Remarks: Saw this guy hiding under a rock and thought he was a sculpin at first.; Coordinate Uncertainty in Meters: 28181.00000.

Placer, California: 39.103782, -120.944371: : 8/21/2025: waxworms: 21 Aug 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Humboldt, California: 40.372295, -123.564097: : 6/28/2025: jandrewsal: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Trinity, California: 40.242042, -123.514481: : 6/28/2025: jandrewsal: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Butte, California: 39.914388, -121.727177: : 6/2/2025: Dawn Wan: 2 Jun 2025 ; Coordinate Uncertainty in Meters: 28030.00000.

Placer, California: 39.088312, -120.947354: : 8/16/2025: rachelperp: 16 Aug 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Occurrence Remarks: Died likely due to heat or starvation. Definitely no virus here, way too healthy of a pop.; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Was going over this boulder and looked down to see this guy, very surprised he didnΓÇÖt jump; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: 5 adults on this ledge. Though I think I spooked a few, so maybe it was more like 7-8ΓÇª frog in the left (not far left) is huge; Coordinate Uncertainty in Meters: 28181.00000.

Sonoma, California: 38.849381, -122.913384: : 8/24/2025: Stop4Snakes!: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Got some better pictures today. Pretty sure this is the same individual that I saw last week. He was chilling in the same spot.; Coordinate Uncertainty in Meters: 28181.00000.

Placer, California: 39.087602, -120.84777: : 8/16/2025: Jeff Alvarez: 16 Aug 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Trinity, California: 40.340827, -123.348783: : 8/21/2025: jandrewsal: 21 Aug 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: Only one we got photos of; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 40.212978, -124.357166: : 5/2/2025: Steven Clinton: 2 May 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Sonoma, California: 38.73249, -122.919979: : 8/30/2025: reptile_galen: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Humboldt, California: 40.314716, -123.85435: : 8/30/2025: rjaffrey: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Occurrence Remarks: With what is likely a RS newt larvae; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: I saw probably 150-200+ boylii over a 3 hour course today. Incredibly healthy population but numbers likely inflated since many juvenile frogs have not died off yet (as they do, not all frogs are supposed to survive); Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: The only adults I didnΓÇÖt spook; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: 9 frogs. 5 in the open, 2 buried in dirt, 2 on the side of the rock partly tucked under it. Many many many frogs of all ages (including very large adults) found in very deep water pocket thatΓÇÖs isolated from creek; Coordinate Uncertainty in Meters: 28181.00000.

Occurrence Remarks: Happy to see one of these in the riverΓÇª so sososososo many bullfrogs; Coordinate Uncertainty in Meters: 28210.00000.

Humboldt, California: 40.123521, -123.751742: : 9/6/2025: sharwieder: 6 Sep 2025 ; Coordinate Uncertainty in Meters: 28000.00000.

Occurrence Remarks: + one lateralis that bolted across the trail to fast for me to even snap a blurry pic of; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, California: 40.054962, -123.539863: : 4/25/2026: Emily Lin: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 28000.00000.

Placer, California: 38.964129, -120.672795: : 5/31/2025: moosejuice16: 31 May 2025 ; Coordinate Uncertainty in Meters: 71709.00000.

Mendocino, California: 39.36077, -123.23604: : 6/15/2025: danferlito: 15 Jun 2025 ; Coordinate Uncertainty in Meters: 28121.00000.

Humboldt, California: 40.118467, -123.603935: : 3/23/2025: jazzyandrea: 23 Mar 2025 ; Coordinate Uncertainty in Meters: 28000.00000.

Occurrence Remarks: For the frog on the right (pic2) and bottom (pic3); Coordinate Uncertainty in Meters: 28210.00000.

Occurrence Remarks: First 2 pics are close ups of the frog on the left of the 3rd pic and on the top of the 4th pic; Coordinate Uncertainty in Meters: 28210.00000.

Humboldt, California: 40.222882, -124.288255: : 5/4/2025: Steven Clinton: 4 May 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.186879, -124.03073: : 5/6/2025: Steven Clinton: 6 May 2025 ; Coordinate Uncertainty in Meters: 28000.00000.

Mendocino, California: 39.014249, -123.594002: : 9/14/2025: James Phillips: 14 Sep 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Mendocino, California: 39.108224, -123.45685: : 9/14/2025: James Phillips: 14 Sep 2025 ; Coordinate Uncertainty in Meters: 28151.00000.

Humboldt, California: 40.222896, -123.903836: : 9/1/2025: C. McKim: 1 Sep 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.291398, -123.881565: : 9/1/2025: C. McKim: 1 Sep 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

Humboldt, California: 40.26929, -123.931811: : 9/1/2025: C. McKim: 1 Sep 2025 ; Coordinate Uncertainty in Meters: 27969.00000.

GBIFID: 1920784087; Occurrence Remarks: 2 fresh egg masses. Round embryoâ€™s;; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Occurrence Remarks: Wasnt moving, so I assume it was dead :(; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 41.41485, -123.808069: : 10/23/2025: jeweliha: 23 Oct 2025 ; Coordinate Uncertainty in Meters: 27785.00000.

Del Norte, California: 41.615153, -123.907597: : 10/19/2025: Aberdeen Spade: 19 Oct 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.977289, -124.00913: : 9/17/2025: Manna: 17 Sep 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Del Norte, California: 41.629024, -124.067785: : 8/27/2025: asiaisa: 27 Aug 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.963118, -124.174472: : 8/16/2025: maxmer: 16 Aug 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Del Norte, California: 41.827356, -124.039532: : 11/6/2025: rsettles: 6 Nov 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Humboldt, California: 40.929607, -123.875054: : 11/27/2025: ren pedersen: 27 Nov 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.959107, -123.831131: : 11/27/2025: ren pedersen: 27 Nov 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 41.317217, -124.121207: : 11/19/2025: nahellyjelly: 19 Nov 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Occurrence Remarks: two individuals observed; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.315483, -124.121328: : 3/30/2024: river2redwoods: 30 Mar 2024 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.393069, -124.104826: : 5/11/2024: bindelshsu: 11 May 2024 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.735358, -124.195389: : 5/26/2024: Zoey Vadnais: 26 May 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.621764, -124.138581: : 7/13/2024: Gustavo Vasquez: 13 Jul 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Is this a bullfrog tadpole?; Coordinate Uncertainty in Meters: 27877.00000.

Occurrence Remarks: About 1 long; Coordinate Uncertainty in Meters: 27908.00000.

Humboldt, California: 40.888389, -123.617928: : 9/20/2025: avalie: 20 Sep 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1848757459; Occurrence Remarks: Frog;; Coordinate Uncertainty in Meters: 27908.00000.

Humboldt, California: 40.86322, -123.966179: : 10/4/2025: Cole Abel: 4 Oct 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4145557545; Occurrence Remarks: In small pond behind mad river hatchery Yellow legs and spotting under chin;; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.634233, -124.184509: : 4/14/2026: sarah0wallace: 14 Apr 2026 ; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, California: 41.346911, -124.172577: : 4/5/2026: Joe Tuvell: 5 Apr 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.640772, -123.869174: : 4/15/2026: jazzyandrea: 15 Apr 2026 ; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, California: 41.749304, -123.873405: : 4/18/2026: Connor Poylio: 18 Apr 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 40.805976, -123.964009: : 4/21/2026: perezhsu: 21 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.804098, -123.973149: : 4/22/2026: Claudio Carrizo: 22 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.864643, -123.984256: : 4/24/2026: davis_dean: 24 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 41.178692, -123.921008: : 4/26/2026: gmdavies: 26 Apr 2026 ; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 41.842516, -124.151863: : 4/26/2026: renedidthis: 26 Apr 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Humboldt, California: 40.529542, -123.801879: : 11/11/2025: Morgan Tilton: 11 Nov 2025 ; Coordinate Uncertainty in Meters: 27939.00000.

Trinity, California: 40.682049, -123.404477: : 11/9/2025: calibas: 9 Nov 2025 ; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, California: 41.960889, -123.893659: : 5/18/2026: lzamorac: 18 May 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.293229, -123.318013: : 5/18/2026: elijahhayes: 18 May 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.482154, -123.84402: : 5/20/2026: falconpatrol: 20 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.585097, -123.817756: : 5/20/2026: Brian Armstrong: 20 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.664346, -124.051022: : 5/14/2026: Chris Roberts: 14 May 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.748999, -124.154905: : 5/14/2026: Chris Roberts: 14 May 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Also saw tads in multiple locations on same creek; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 40.493618, -123.129006: : 5/21/2026: Coleman Evans: 21 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.983204, -124.057081: : 5/26/2026: Remington Jackson: 26 May 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 40.455127, -123.120325: : 5/27/2026: Coleman Evans: 27 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.102394, -123.008211: : 5/23/2026: bugladybri: 23 May 2026 ; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 41.804521, -123.998262: : 5/27/2026: David Greenberger: 27 May 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.236401, -124.078697: : 5/31/2026: spikelavender: 31 May 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.427551, -123.021685: : 4/4/2026: jandrewsal: 4 Apr 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.925177, -124.125858: : 4/9/2026: arwyng: 9 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3415552943; Occurrence Remarks: Mad River, Blue Lake. Clear skies, 62F. Adult, alive. Found in a small pool on the side of the river. Substrate and banks rocky with sedges, blackberry, willows, conifers nearby.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3860151827; Occurrence Remarks: Inter specific amplexus with juvie bully;; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.619229, -124.164276: : 7/11/2024: scottwrs: 11 Jul 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4137607838; Occurrence Remarks: Only pic I got of this guy!;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 4121196217; Occurrence Remarks: MY22;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3859510872; Occurrence Remarks: 6 intact masses plus 14 masses hatching out= 20. Surveyed river left between Annie Marie rr trestle downstream to upper pump tower.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1838302977; Occurrence Remarks: A frog in the Smith River!;; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 40.531336, -123.14825: : 3/6/2026: jandrewsal: 6 Mar 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.242338, -124.060245: : 3/7/2026: jocelynwolfingr: 7 Mar 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.974708, -123.984489: : 3/7/2026: Jonny Sperling: 7 Mar 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.833076, -123.954714: : 3/7/2026: jazzyandrea: 7 Mar 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Del Norte, California: 41.847993, -124.171983: : 6/22/2025: apebrains: 22 Jun 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.825106, -124.119153: : 3/21/2026: Lucinda Adamson: 21 Mar 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.601062, -124.135648: : 9/15/2024: deedeelea: 15 Sep 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.829485, -123.816937: : 9/22/2025: Phoebe Barnes: 22 Sep 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Del Norte, California: 41.834674, -123.802221: : 9/22/2025: Phoebe Barnes: 22 Sep 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Occurrence Remarks: Subadult; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.989452, -123.958072: : 4/22/2026: amelia-jensen: 22 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.492221, -121.831566: : 4/29/2026: Andrew Ford: 29 Apr 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.818321, -123.819904: : 5/1/2026: jjjul3s: 1 May 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.5713, -123.547998: : 4/22/2026: cassndras: 22 Apr 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.296848, -124.028746: : 5/1/2026: spikelavender: 1 May 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.933721, -123.811192: : 5/2/2026: Micah K: 2 May 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.56495, -123.155818: : 5/5/2026: jandrewsal: 5 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.972378, -123.690957: : 5/9/2026: jakesullivvan: 9 May 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 41.269597, -124.137634: : 5/18/2024: Nick Cecchi: 18 May 2024 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, Oregon: 42.01321, -124.047167: : 1/31/2026: Mathias Anderson: 31 Jan 2026 ; Coordinate Uncertainty in Meters: 27692.00000.

Unknown, California: 40.527381, -123.882623: : 5/9/2026: addie thiessen: 9 May 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.902241, -123.821839: : 4/5/2026: jazzyandrea: 5 Apr 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.577231, -123.170379: : 3/21/2026: jandrewsal: 21 Mar 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Occurrence Remarks: Just one fresh egg mass along a 500 meter section below the RR bridge so breeding just started this year. in this stretch.; Coordinate Uncertainty in Meters: 27877.00000.

Trinity, California: 40.744511, -123.426774: : 8/24/2025: kristasurbanfarm: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 27908.00000.

Del Norte, California: 41.818084, -124.090322: : 9/18/2025: Christopher J. Earle: 18 Sep 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.302938, -124.13561: : 9/24/2025: ndisanti: 24 Sep 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Humboldt, California: 40.901167, -123.997939: : 9/27/2025: Burt Lentil: 27 Sep 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.85069, -123.98979: : 9/27/2025: Burt Lentil: 27 Sep 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 41.375486, -124.07431: : 5/13/2026: Katherine Stonecypher: 13 May 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.386515, -124.124103: : 5/14/2026: Claudio Carrizo: 14 May 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.093411, -123.743204: : 5/14/2026: Efrain Duarte: 14 May 2026 ; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 41.129255, -122.684551: : 5/17/2026: shannoncmorrow: 17 May 2026 ; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 41.893996, -124.047234: : 5/16/2026: lzamorac: 16 May 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.070513, -122.755266: : 3/20/2026: apebrains: 20 Mar 2026 ; Coordinate Uncertainty in Meters: 27847.00000.

Unknown, California: 40.874903, -123.877966: : 3/20/2026: Cole Abel: 20 Mar 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, Oregon: 42.043931, -123.655582: : 3/20/2026: Mathias Anderson: 20 Mar 2026 ; Coordinate Uncertainty in Meters: 27692.00000.

Unknown, California: 40.952688, -123.972343: : 3/26/2026: jillian_a: 26 Mar 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 40.442715, -123.164197: : 3/28/2026: jandrewsal: 28 Mar 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 40.875312, -123.845568: : 2/14/2026: Jaime Martinez: 14 Feb 2026 ; Coordinate Uncertainty in Meters: 27877.00000.

Occurrence Remarks: In small rocky creek. Several other individuals also observed. Also present in creek was Ascaphus truei and Dicamptodon tenebrosus.; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.262317, -124.009135: : 4/2/2026: Oliver: 2 Apr 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.325235, -124.082272: : 4/2/2026: Isabel: 2 Apr 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.827804, -124.066168: : 3/28/2026: Riley Ruggieri: 28 Mar 2026 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.35548, -122.686804: : 4/6/2026: Tasha Oregon: 6 Apr 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.735745, -123.959843: : 3/22/2026: Andrew Pauly: 22 Mar 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.793356, -123.966085: : 3/23/2026: Andrew Pauly: 23 Mar 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.700232, -123.800558: : 3/23/2026: Andrew Pauly: 23 Mar 2026 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.346402, -124.002535: : 4/2/2026: Isabel: 2 Apr 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.377153, -124.120043: : 10/8/2022: Theodore Lee: 8 Oct 2022 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.36295, -124.076313: : 10/8/2022: Theodore Lee: 8 Oct 2022 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.258879, -124.129405: : 10/8/2022: Theodore Lee: 8 Oct 2022 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.612937, -124.11549: : 10/28/2018: Lauren diBiccari: 28 Oct 2018 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.669144, -124.157544: : 10/28/2024: Stephen Bucklin: 28 Oct 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: MY25; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.858199, -124.158347: : 10/4/2025: arwyng: 4 Oct 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Shasta, California: 40.598566, -122.511827: : 10/6/2025: Sarah Saaristo: 6 Oct 2025 ; Coordinate Uncertainty in Meters: 27939.00000.

Unknown, California: 41.666155, -124.177692: : 10/29/2016: Michael Kauffmann: 29 Oct 2016 ; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 41.609203, -124.110647: : 10/9/2021: Connor: 9 Oct 2021 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Foot Yellow-legged Frog (Rana Boylii); Coordinate Uncertainty in Meters: 27816.00000.

Del Norte, California: 41.777758, -124.160597: : 6/7/2025: gh0stsquirrel: 7 Jun 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.989446, -123.961173: : 7/5/2025: ellebeepgurl: 5 Jul 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Del Norte, California: 41.695079, -124.014168: : 7/10/2025: Catie Clune: 10 Jul 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.617805, -124.061908: : 7/11/2025: Sam Miller: 11 Jul 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: First of the year. Probably the smallest one IΓÇÖve ever seen Del Norte County; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Hands down the nicest one IΓÇÖve ever seen. Found in a tiny gravelly creek with multiple rana aurora Humboldt County; Coordinate Uncertainty in Meters: 27816.00000.

Occurrence Remarks: An amphibian treasure trove here Shasta County; Coordinate Uncertainty in Meters: 27877.00000.

Occurrence Remarks: In a tiny drainage on the side of the road. CanΓÇÖt believe it was Even here Shasta County; Coordinate Uncertainty in Meters: 27877.00000.

Occurrence Remarks: Josephine County; Coordinate Uncertainty in Meters: 27692.00000.

Trinity, California: 40.987805, -122.835833: : 6/22/2025: Matt Reala: 22 Jun 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Unknown, California: 41.209267, -124.153902: : 12/5/2025: larahsia: 5 Dec 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Occurrence Remarks: Tons in this area Del Norte County; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Del Norte County; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Two sharing a rock out of four in the area Del Norte County; Coordinate Uncertainty in Meters: 27754.00000.

Unknown, California: 40.757879, -122.929392: : 10/5/2025: Laura Farneti: 5 Oct 2025 ; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, California: 41.35073, -124.111279: : 3/6/2025: Colton Veltkamp: 6 Mar 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.200861, -124.13799: : 6/5/2025: Josh Schutt: 5 Jun 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Humboldt, California: 41.288888, -124.028082: : 6/25/2025: Deborah: 25 Jun 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Shasta, California: 40.57074, -122.410027: : 6/26/2025: Aberdeen Spade: 26 Jun 2025 ; Coordinate Uncertainty in Meters: 27939.00000.

Del Norte, California: 41.869304, -124.167252: : 7/28/2025: Alex Heyman: 28 Jul 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Del Norte, California: 41.83043, -123.948021: : 9/15/2025: William Princen: 15 Sep 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 41.377043, -124.177708: : 2/24/2026: Philip Georgakakos: 24 Feb 2026 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 41.605225, -124.106188: : 2/11/2024: Clara Oliverson: 11 Feb 2024 ; Coordinate Uncertainty in Meters: 27754.00000.

Del Norte, California: 41.954313, -123.806322: : 11/11/2025: Erik Atwell: 11 Nov 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 40.760018, -123.922136: : 4/15/2026: jazzyandrea: 15 Apr 2026 ; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 3415573392; Occurrence Remarks: Frog has long legs with webbing between on hind feet. Skin is bumpy/grainy, not smooth. The ventral side of the hind legs and abdomen have yellow coloring. Frog was found around 9:15 AM in Blue Lake. It was seen near a puddle along the trail (puddle looks like it is from rain, far from river run off). It was a cool, sunny morning.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3743017414; Occurrence Remarks: He had light coloration on the outer ventral side of his back feet. His eyes had the black markings distinctive to the foothill and the markings on the dorsal reflected similar to the species.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3457061497; Occurrence Remarks: Light overcast, 64 F, Identified due to location (Mad River), yellow coloration on limbs, barring appearance on limbs. Found as is, calm off shoot from main river. Young Adult, Sex Unknown.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3743078489; Occurrence Remarks: Dozens of them in a very short stretch of stream.;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3743058796; Occurrence Remarks: Found on the bank of redwood creek near Orrick in rocky substrate. Temp was ~60F.;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3747160518; Occurrence Remarks: 7 individuals within 20m;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3747295260; Occurrence Remarks: Found in ditch on moist mud hopping near pool;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3747117393; Occurrence Remarks: Hopped into pool;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3747401470; Occurrence Remarks: Found near pool;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3772794232; Occurrence Remarks: MY21;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2282990023; Occurrence Remarks: On Titlow Hill Road. 5/1/10;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3858387939; Occurrence Remarks: 21 egg mass counted;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 3902003996; Occurrence Remarks: 3 egg massed;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 1847493180; Occurrence Remarks: MY17;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3873529387; Occurrence Remarks: Maybe. Cute buddies alternating between being in the river and on the rocks or shore, just like us. Saw the same few two days in a row.;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 1848754665; Occurrence Remarks: 2 adult;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 1848754874; Occurrence Remarks: Female with male nearby and a MY17;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 1847552421; Occurrence Remarks: Adult;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 1848754942; Occurrence Remarks: 2 egg masses;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3888707501; Occurrence Remarks: 2 Yellow-legged frogs about 200 upstream of confluence of the south fork in the mainstem Trinity;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3902276841; Occurrence Remarks: Female;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3902694195; Occurrence Remarks: Along the Smith River, CA, redwoods area. Saw about ten. Tadpoles also present in the pool;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3902906865; Occurrence Remarks: Juvenile, 1.5cm SVL;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3903054430; Occurrence Remarks: ~3.5cm SVL;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3912440455; Occurrence Remarks: Toad on the Klamath;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3915512895; Occurrence Remarks: .Y22;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3915544433; Occurrence Remarks: a baby i think; many in the river;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 1901028287; Occurrence Remarks: Smith river.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 1880598022; Occurrence Remarks: In direct sun;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1880598019; Occurrence Remarks: In shade, adult female;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1883535824; Occurrence Remarks: Adult;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1883535776; Occurrence Remarks: 2 MY17s;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1890054343; Occurrence Remarks: Lots of em;; Coordinate Uncertainty in Meters: 27939.00000.

GBIFID: 4062981944; Occurrence Remarks: RX10_24400, RX10_24401;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4075664029; Occurrence Remarks: IDed by looking at the range, elevation and features.;; Coordinate Uncertainty in Meters: 38693.00000.

GBIFID: 4080975897; Occurrence Remarks: Same individual in all pictures;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 1898798110; Occurrence Remarks: Found in a previously heavily burned headwater stream;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 4102638787; Occurrence Remarks: Found at Mad River Hatchery, sunny, breezy, 64Â°F. Juvenile, found in temporary pond on trail, surrounded by tadpoles and a few other metamorphosed frogs.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4102578882; Occurrence Remarks: Location: Mad River Weather: Sunny, water cool, air temperature mid 60s Time: 1300 Species: Rana boylii Sex (if identifiable): unknown Behavior: dormant, under cover objects Habitat: both individuals were found on the bank of the mad river, tucked underneath some large rocks half submerged in the water. Additional Comments: the second image was a particularly large specimen, possibly a female;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4102571902; Occurrence Remarks: Location: Mad River Hatchery Weather: Sunny, mid 60s Time: 1248 Species: Rana boylii Sex (if identifiable): too small/juvenile or yound adult Behavior: active, swimming Habitat: a small stream connecting to the much larger and fast flowing Mad River Additional Comments: one of approximately half a dozen Rana boylii found in a 3m section of a small stream cutting across a pathway. Likely residing there until water flows slow down in the main tributary. Identified by the weak dorsolateral folds, non-vertical pupils, and Speckled throat. No yellow prominent on the hind legs.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1901033289; Occurrence Remarks: This was in Redwood NP, am curious what species. In Mill Creek about 2 miles upstream from its confluence with Smith River. Foothills Yellow-legged Frog?;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4111932672; Occurrence Remarks: Rana boylii adult Site name: Mad River Hatchery in Blue Lake, CA Time of day: 12:44 PM Weather conditions: Sunny and warm Habitat: found in a puddle with other Rana boylii. Puddle had brambles around it. Life stage: Adult Sex: Unknown Yellow vent, dark spots/splotches on legs, eyes have horizontal pupils;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4111866864; Occurrence Remarks: Found in a pond in a trail under a blackberry bush. Small size. Hot, sunny conditions. Found during mid-day. Several other specimens were also present, including tadpoles. Pond was a maintained lawn across from Mad River. Was found in the exposed part of the puddle on the trail, but fled into the blackberry bush.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4111861936; Occurrence Remarks: 27 April 2023 2:03pm Foothill Yellow-legged Frog Rana boylii Swimmers Delight, Carlotta, CA Juvenile, sex cannot be determined, Alive 84F, One of the first warm sunny days of the year. Behavior: Active, swimming around Macrohabitat was rocky riverbed in the middle of a redwood forest. Found in shallow still water near the river. IDd as Rana boylii due to light underside with speckled chin region, weak dorsolateral folds, and non-vertical pupils (not pictured but viewed in the field). Lack of yellow on legs common in juveniles.;; Coordinate Uncertainty in Meters: 27939.00000.

GBIFID: 4424615645; Occurrence Remarks: smith river;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4130004499; Occurrence Remarks: Juvenile, ~2.5cm;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 4921794714; Occurrence Remarks: Rama boylii? (Foothill yellow legged frog)?;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 1249273370; Occurrence Remarks: In a small creek;; Coordinate Uncertainty in Meters: 27893.00000.

GBIFID: 1099971387; Occurrence Remarks: These frogs were in cobble-littered shallows along the south fork of the Trinity River.;; Coordinate Uncertainty in Meters: 10000.00000.

GBIFID: 4413445901; Occurrence Remarks: tadpoles;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4400203622; Occurrence Remarks: Adult male, ~2.5 inches;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 2331825213; Occurrence Remarks: Frog was 2 long, sunning on a rock in a small pond.;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 1935584806; Occurrence Remarks: Frog was about 1 1/2, in same pool as the other frog I just posted.;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 1265533562; Occurrence Remarks: Along the Trinity river at Del Loma.;; Coordinate Uncertainty in Meters: 27893.00000.

GBIFID: 4431212203; Occurrence Remarks: 2 Adults, including one in the bottom centre of habitat shot. 30 plus small juvenile froglets.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 4453776626; Occurrence Remarks: Wow, this was weird This is the only one Iâ€™ve ever seen that is red;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 4519337502; Occurrence Remarks: Frog being consumed by snake on riverbank;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 4851825453; Occurrence Remarks: Adult male, notice the thumb pads on his anterior feet, used in breeding to allow the male to better grasp the female in amplexus.;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4528334827; Occurrence Remarks: 1 of around 20 observed;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4528305893; Occurrence Remarks: 1 of around 20 observed.;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4528346953; Occurrence Remarks: 1 of around 20 observed.;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4528338913; Occurrence Remarks: 1 of around 20 observed.;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4597047912; Occurrence Remarks: Rana boylii was found around 5:30pm along the Mad River, about a 15 minute walk from Hatchery road. Weather was sunny, around 65 degrees. Habitat was the Mad River bank surrounded by willow trees and various areas with different levels of flowing water. This frog was found in a still water area under neath a large willow trunk that had fallen over. River bank was sandy with many rocks. No noises were heard from the individual. Was found hopping around the bank. Once it saw me, it began hopping faster as it realized I was approaching closer for capture. Identified as Foothill yellow-legged from due to grainy skin, gray color, yellowish on underside of legs, spotting on throat Another Rana boylii was seen that day. I tried to capture it, but it swam away into a a low flow area of the river.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4597150558; Occurrence Remarks: Dorsolateral folds indistinct, no dark mask through eyes;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4597170506; Occurrence Remarks: ID based on: yellow coloring on lower abdomen and underside of rear legs, dorsolateral folds indistinct, no dark stripe through eye Adult, sex unknown. Found on the edge of the mad river just off a trail located next to the hatchery Weather: ~57 F, sunny with no breeze Time: 3:00-4:00 Macrohabitat: riverside dappled with willows and redwoods Microhabitat: Rocky substrate sitting upon a sandy bank. Very little leaf litter. Other notes: This individual was found hopping along the edge of the Mad River. Seemed like a healthy frog and displayed normal behavior. The river was rushing very rapidly due to the heavy rains which had occurred throughout the previous week, which is likely why we didnâ€™t find this individual in the water. Only one other juvenile foothill yellow-legged frog was found in close proximity.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4600162468; Occurrence Remarks: Abundant;; Coordinate Uncertainty in Meters: 89064.00000.

GBIFID: 4599978784; Occurrence Remarks: March 25th @ 2:29pm Cloudy, roughly 55F along the Mad river bank. Habitat was the Mad River bank surrounded by willow trees and was found along shore of fast flowing water. Area was sandy and rocky. No noises were heard from the individual. Was found hopping around the bank and blending in with rocks. . Identified as Foothill yellow-legged from due to grainy skin, gray color, yellowish on underside of legs, spotting on throat, looks similar to a previous foothill yellow-legged I found;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4607247157; Occurrence Remarks: living in HSU greenhouse pond;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2283004963; Occurrence Remarks: Since I dont know the name of this frog currently Ive called it the Van Duzen river frog;; Coordinate Uncertainty in Meters: 27939.00000.

GBIFID: 4855218058; Occurrence Remarks: Found at pump station on a sunny day along the mad river in a puddle next to the river;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4863515824; Occurrence Remarks: Location: Mad River Hatchery Weather: Clear skies, mid 60â€™s, very warm and relatively dry out. Habitat: Shrubby habitat with lots of rocks and relatively dry soil. Lots of water near by (river and seasonal pools) Individual was found in a seasonal pool that looked like remnant from when the river was swollen, about 200m from river. Species determined due to yellow on legs, and dark back with light underside.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4863748608; Occurrence Remarks: found by @botanybard;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4891657164; Occurrence Remarks: Not sure if it is a red legged frog or a yellow legged frog input appreciated;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4872322312; Occurrence Remarks: Rana boylii egg mass. Found in the shallows right alongside a rushing stretch of River. Many egg masses present.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4872208261; Occurrence Remarks: Dull dorsum and yellow on undersides of hind legs used for ID.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4875300030; Occurrence Remarks: Inats suggestion, seems counter intuitive since the legs are blue;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 4892059164; Occurrence Remarks: Hatching out;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 4892226785; Occurrence Remarks: Hatched out;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 4891624743; Occurrence Remarks: Hatched out;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 4901350326; Occurrence Remarks: Biggest, nicest one;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4901589639; Occurrence Remarks: Josephine County;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4901408979; Occurrence Remarks: Josephine County;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4901655920; Occurrence Remarks: Del Norte County;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 4901695652; Occurrence Remarks: For the frog;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 2236864100; Occurrence Remarks: 2 MY18;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4901889191; Occurrence Remarks: About 5 of them in a small pool adjacent to the mainstem river;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4925951791; Occurrence Remarks: I was quite surprised to see 5 or 6 of these today while swimming on the Salmon River. They were digging the rocky coves and pools along the edges.;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 4953183794; Occurrence Remarks: Handsome;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 4954589737; Occurrence Remarks: A very small guy, maybe the body was the length of the end bone of my middle finger. Wonder if this the growing version of the tadpole I posted in the same general local earlier this year.;; Coordinate Uncertainty in Meters: 27939.00000.

GBIFID: 4973954421; Occurrence Remarks: not sure;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 4981987732; Occurrence Remarks: Multiple adults observed in steep, sunny, rocky creek;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 4981950294; Occurrence Remarks: Multiple tadpoles observed in shallow water near bank;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 4982133863; Occurrence Remarks: Large adult observed in culvert;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 4994324116; Occurrence Remarks: found by the mad river a couple days after the atmospheric river, wasnâ€™t sure on the id at first because it was coated pretty thoroughly with silt from the flooding;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2251969677; Occurrence Remarks: In ditch with Hyliola (Pseudacris) larva.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 2251969541; Occurrence Remarks: Also in ditch but flowing part.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 2283024856; Occurrence Remarks: 13 EMs at site;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 2273224044; Occurrence Remarks: High elevation sighting.;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 891064481; Occurrence Remarks: There were a bunch of these guys on the riverbanks, Im thinking its this species and they were probably still too young to have truly yellow bellies and legs. Very cute! (pictures to come soon);; Coordinate Uncertainty in Meters: 27923.00000.

GBIFID: 1291082960; Occurrence Remarks: Lighter colored tadpole in the photo. Lots of FYLF and Western Toad tadpoles in the Mad River;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 891065961; Occurrence Remarks: Foothill Yellow-legged Frogs are both beautiful and threatened by habitat destruction.;; Coordinate Uncertainty in Meters: 27708.00000.

Humboldt, California: 40.777934, -123.915969: : 9/7/2019: Sarah Kanga Livingstone: 7 Sep 2019 :
GBIFID: 2573921140; Occurrence Remarks: Promptly returned to water after observation.;; Coordinate Uncertainty in Meters: 27908.00000.

Humboldt, California: 40.742461, -123.955104: : 9/7/2019: Sarah Kanga Livingstone: 7 Sep 2019 :

Del Norte, California: 41.803092, -123.802508: : 8/2/2025: cloverb: 2 Aug 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 2574147250; Occurrence Remarks: adult;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 2580129712; Occurrence Remarks: Found in seep;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1453153858; Occurrence Remarks: Seen in a stream flowing into the Smith River near Stout Grove in Jedediah Smith Redwoods State Park, Redwoods National Park.;; Coordinate Uncertainty in Meters: 27739.00000.

GBIFID: 1453171099; Occurrence Remarks: Seen in a stream feeding into the Smith River near Stout Grove in Jedediah Smith Redwoods State Park, Redwoods National Park.;; Coordinate Uncertainty in Meters: 27739.00000.

GBIFID: 1453176345; Occurrence Remarks: Seen a little ways upstream next to a feeder into the Smith River near Stout Grove in Jedediah Smith Redwoods State Park, Redwoods National Park. (Was a ways further upstream from two observations close to the same time by Steven Calcote.);; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 1453195418; Occurrence Remarks: South Fork Smith River, Elkhorn Bar;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 2626594398; Occurrence Remarks: 25 egg masses river left from Anne Marie rr bridge down to pump station. All still round embryos.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2626648082; Occurrence Remarks: Only one I saw on the entire trip through inland California. Part of my explorations in support of my write-up on the effort to save the Sierra Nevada Yellow-legged Frog, Shasta Lakes biodiversity, and other endangered amphibians of northern California. Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2626548938; Occurrence Remarks: In 2015 we spent a few hours doing a short survey of Whiskeytown Lake, during which we found 14 species of herps including possibly the southwesternmost extent of the shastae Black Salamander population. Three years later the devastating Carr Fire burned through the entire area. We talk about the pressures this region faces in the last part of Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 2634040024; Occurrence Remarks: Adult;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 1453414432; Occurrence Remarks: This frog was found under a rock, during a night hike along a tiny headwater stream.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 2818518113; Occurrence Remarks: X2;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2850681754; Occurrence Remarks: found alongside Rana cascadae;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3090698808; Occurrence Remarks: Accompanied by a banana slug.;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 2856624130; Occurrence Remarks: Underwater image;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 2445082302; Occurrence Remarks: Adult and eggs in stream. There were dozens of adults and egg groups.;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 1562939597; Occurrence Remarks: Juvenile;; Coordinate Uncertainty in Meters: 27862.00000.

GBIFID: 2898342950; Occurrence Remarks: MY20 x3;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 2283284521; Occurrence Remarks: 7 egg masses. Three still intact with bean/ tail embryos, four hatched out with free swimming tadpoles.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 1571150227; Occurrence Remarks: One adult, one juvenile.;; Coordinate Uncertainty in Meters: 27677.00000.

GBIFID: 891077569; Occurrence Remarks: Couldnt catch it, alas! But a beautiful frog!;; Coordinate Uncertainty in Meters: 27708.00000.

GBIFID: 3079796256; Occurrence Remarks: Single adult found swimming in a slow moving stream that led into the Smith River (2nd picture). I wasnâ€™t able to capture this individual, but got this picture from above. Weather was clear and sunny at 73 degrees;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 1586107608; Occurrence Remarks: Second one today;; Coordinate Uncertainty in Meters: 27801.00000.

GBIFID: 3079821653; Occurrence Remarks: MY 20. Several seen;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3097005289; Occurrence Remarks: Adult found swimming in a rocky pool near the Smith River off of 199. Weather was clear and around 60 degrees, several other adults were found nearby.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3113394684; Occurrence Remarks: 43 egg masses from Anne Marie rr bridge River left down to pump station. Most round, some bean, few tailed/ hatched.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3302396990; Occurrence Remarks: Found by Matt in ditch.;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 3302555965; Occurrence Remarks: Found in shady, rocky creek by Anna I believe. Probably the largest boylii Ive ever seen;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 3314237032; Occurrence Remarks: Taddie;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3321046316; Occurrence Remarks: between 10-15 found in a short amount of time;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 3321328544; Occurrence Remarks: Tadpoles;; Coordinate Uncertainty in Meters: 27847.00000.

GBIFID: 3325824960; Occurrence Remarks: At the edge of a lovely creek;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3384600144; Occurrence Remarks: Developing tadpole.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3355253424; Occurrence Remarks: First picture has increased exposure, the rest are unaltered.;; Coordinate Uncertainty in Meters: 27723.00000.

GBIFID: 3385130742; Occurrence Remarks: Frog and salamander found under a piece of wood at the edge of the stream.;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 3384672772; Occurrence Remarks: The only adult frog we saw.;; Coordinate Uncertainty in Meters: 27754.00000.

GBIFID: 3384458848; Occurrence Remarks: In situ. Recently killed. Found on top of a torrent sedge. Found puncture wounds on top of head. Most likely a bird predator.;; Coordinate Uncertainty in Meters: 27908.00000.

GBIFID: 3384810901; Occurrence Remarks: Found at 4:01 pm by the Mad river hatchery under some rocks by the river. It was roughly 70 degrees outside and sunny. Has grainy, brown/ dark olive skin. Rear legs are yellow, ventrally. There is dark spotting in the throat/ chest area. Was found hiding under some rocks by the river. Surrounding area was also full of rocks, shallow water and trees.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3385146957; Occurrence Remarks: Colored a dark olive/brown, dorsally. Ventrally, its colored white with some dark streaking on the chin/chest area. It was found in the water by the river. It was sunny and 81 degrees outside.;; Coordinate Uncertainty in Meters: 27877.00000.

GBIFID: 3391663746; Occurrence Remarks: Found in Redwood National and State Park at 1:23 pm. Weather was sunny and temperature was around 59 degrees. The juvenile was hiding in-between some rocks in the water. Juvenile is a dark green color dorsally. Color of venter was not determined. Has some kind of pattern on the back. Time searching was 1-4pm.;; Coordinate Uncertainty in Meters: 27816.00000.

GBIFID: 3391695778; Occurrence Remarks: Found in Redwood National and State Park at 1:23 pm. Weather was sunny and temperature was around 59 degrees. Habitat was in the Redwood Creek River. The juvenile was hiding in-between some rocks in the water. Juvenile is colored dark green and has smooth skin. Did not flip over to see underside coloring. Time searching was 1-4 pm.;; Coordinate Uncertainty in Meters: 27816.00000.

Occurrence Remarks: frog cutie! Out so early; Coordinate Uncertainty in Meters: 27754.00000.

Humboldt, California: 40.539364, -123.896055: : 8/22/2025: arwyng: 22 Aug 2025 ; Coordinate Uncertainty in Meters: 27939.00000.

Occurrence Remarks: Found in the rocky banks of the Smith river; Coordinate Uncertainty in Meters: 27723.00000.

Humboldt, California: 40.891294, -123.838356: : 8/25/2025: ren pedersen: 25 Aug 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.996568, -123.989743: : 8/25/2025: ren pedersen: 25 Aug 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.732093, -123.939756: : 8/24/2025: j-anonymous: 24 Aug 2025 ; Coordinate Uncertainty in Meters: 89064.00000.

Del Norte, California: 41.91899, -123.922251: : 8/30/2025: qhouseicxc: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 27723.00000.

Unknown, California: 40.886528, -124.191739: : 8/30/2025: hunter_bunter: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.815555, -124.013399: : 8/31/2025: hunter_bunter: 31 Aug 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 40.866189, -123.730126: : 8/31/2025: jillian_a: 31 Aug 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Humboldt, California: 41.255895, -124.070036: : 8/29/2025: rjaffrey: 29 Aug 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Unknown, California: 40.528518, -123.061092: : 4/3/2026: jandrewsal: 3 Apr 2026 ; Coordinate Uncertainty in Meters: 27939.00000.

Humboldt, California: 41.331482, -123.899534: : 8/29/2025: rjaffrey: 29 Aug 2025 ; Coordinate Uncertainty in Meters: 27816.00000.

Humboldt, California: 40.94293, -123.971434: : 9/6/2025: ren pedersen: 6 Sep 2025 ; Coordinate Uncertainty in Meters: 27877.00000.

Trinity, California: 41.198094, -122.682175: : 9/7/2025: apebrains: 7 Sep 2025 ; Coordinate Uncertainty in Meters: 27847.00000.

Humboldt, California: 40.754698, -124.183242: : 10/25/2025: Karen Montina: 25 Oct 2025 ; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, California: 41.394603, -124.119111: : 10/9/2021: ingaderuyter: 9 Oct 2021 ; Coordinate Uncertainty in Meters: 27816.00000.

Occurrence Remarks: from summer 24. Oregon road trip; Coordinate Uncertainty in Meters: 27939.00000.

Trinity, California: 40.790714, -123.255548: : 10/3/2025: Nicholas Damon: 3 Oct 2025 ; Coordinate Uncertainty in Meters: 27908.00000.

Del Norte, California: 41.708557, -123.868765: : 8/30/2025: Yuerou Tang: 30 Aug 2025 ; Coordinate Uncertainty in Meters: 27754.00000.

Occurrence Remarks: Found dead in NF Trinity :(; Coordinate Uncertainty in Meters: 27908.00000.

Unknown, Oregon: 42.354369, -123.655399: : 3/21/2026: Dee Shea Himes: 21 Mar 2026 ; Coordinate Uncertainty in Meters: 27661.00000.

Josephine, Oregon: 42.12437, -123.63706: : 10/26/2025: Dee Shea Himes: 26 Oct 2025 ; Coordinate Uncertainty in Meters: 27692.00000.

Curry, Oregon: 42.383647, -124.294006: : 5/5/2024: Erlin Mansfield: 5 May 2024 ; Coordinate Uncertainty in Meters: 27661.00000.

Curry, Oregon: 42.351667, -124.279048: : 5/5/2024: Erlin Mansfield: 5 May 2024 ; Coordinate Uncertainty in Meters: 27661.00000.

Unknown, Oregon: 43.165499, -122.701198: : 4/19/2026: Christopher Gray: 19 Apr 2026 ; Coordinate Uncertainty in Meters: 27537.00000.

Occurrence Remarks: ItΓÇÖs about 1-1/2ΓÇ¥ long.; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: Cobra-lily zprings; Coordinate Uncertainty in Meters: 27661.00000.

Unknown, Oregon: 42.385597, -123.666276: : 4/25/2026: Cesar Garcia Olmos: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 27661.00000.

Unknown, Oregon: 42.827062, -124.57632: : 11/14/2025: Damien Wallace: 14 Nov 2025 ; Coordinate Uncertainty in Meters: 27568.00000.

Unknown, Oregon: 42.371567, -124.089987: : 4/25/2026: Casey Cunningham: 25 Apr 2026 ; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: GORGEOUS one caught by some random kid, thanks kid; Coordinate Uncertainty in Meters: 27661.00000.

Unknown, Oregon: 42.128556, -124.151036: : 1/31/2026: Mathias Anderson: 31 Jan 2026 ; Coordinate Uncertainty in Meters: 27692.00000.

Unknown, Oregon: 42.209646, -123.62662: : 5/2/2026: Christina Walker: 2 May 2026 ; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: Being eaten by Thamnophis atratus ssp. hydrophilus.; Coordinate Uncertainty in Meters: 27661.00000.

Unknown, Oregon: 43.279033, -123.089111: : 3/22/2026: juliabouziane: 22 Mar 2026 ; Coordinate Uncertainty in Meters: 27505.00000.

Unknown, Oregon: 43.351224, -123.089388: : 3/21/2026: Nathan McCanne: 21 Mar 2026 ; Coordinate Uncertainty in Meters: 27505.00000.

Occurrence Remarks: Really big one, but stubborn Douglas County; Coordinate Uncertainty in Meters: 27568.00000.

Occurrence Remarks: Two here Josephine County; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: Josephine County; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: Had a lot of fun taking pics of this little guy Josephine County; Coordinate Uncertainty in Meters: 27661.00000.

Occurrence Remarks: Curry County; Coordinate Uncertainty in Meters: 27630.00000.

Occurrence Remarks: Curry Counry; Coordinate Uncertainty in Meters: 27630.00000.

Occurrence Remarks: Super cool to see this egg mass!!! Curry County; Coordinate Uncertainty in Meters: 27630.00000.

Occurrence Remarks: Linn County; Coordinate Uncertainty in Meters: 27317.00000.

Occurrence Remarks: Beautiful, large adult, at the northernmost locale for this species Linn County; Coordinate Uncertainty in Meters: 27317.00000.

Occurrence Remarks: Northernmost locale for this species, exciting to see egg masses here! Linn County; Coordinate Uncertainty in Meters: 27317.00000.

Occurrence Remarks: Found in a river/creekbed; Coordinate Uncertainty in Meters: 27692.00000.

Curry, Oregon: 42.311494, -124.251981: : 6/18/2025: Bill Nelson (bonglo): 18 Jun 2025 ; Coordinate Uncertainty in Meters: 27661.00000.

Josephine, Oregon: 42.285569, -123.708217: : 6/24/2025: Angela Pai: 24 Jun 2025 ; Coordinate Uncertainty in Meters: 27661.00000.

Douglas, Oregon: 43.350687, -122.985303: : 9/17/2025: Danielle Juarez: 17 Sep 2025 ; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1847601830; Occurrence Remarks: At mouth of creek, at edge of North Umpqua River channel.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1850948191; Occurrence Remarks: About a half-dozen of these frogs present in this side-channel, but most jumped into the water and escaped.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1880595676; Occurrence Remarks: Saw only this one adult.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1890065132; Occurrence Remarks: Meta year 2017;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 1890065116; Occurrence Remarks: Large adult female;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 1993738396; Occurrence Remarks: Many more records for the region entered into www.naherp.com;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 4901814323; Occurrence Remarks: A known locale. Found under a rock in the river. This was the only individual we found.;; Coordinate Uncertainty in Meters: 27317.00000.

GBIFID: 4901040393; Occurrence Remarks: Josephine County;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4901235286; Occurrence Remarks: My lifer! I saw multiple here, but my photos didnâ€™t save, so these are screenshots. Not sure if these two are the same, but I believe they are. First one is definitely my lifer tho. Awesome frogs, new favorite species Josephine County;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 4901876729; Occurrence Remarks: a very big guy;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 4904184931; Occurrence Remarks: Delighted to see one here Douglas County;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 4908013293; Occurrence Remarks: Known locale. One of the last populations in this area. Just this individual under a rock in a shallow, slow flowing section of river. Linn County;; Coordinate Uncertainty in Meters: 27317.00000.

GBIFID: 4919728566; Occurrence Remarks: Several in the side channel of the South Fork Coquille river;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 4923602615; Occurrence Remarks: Large frog. Plus, there were several smaller ones and tadpoles in the area. Floras Creek.;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 2251950935; Occurrence Remarks: At edge of river. Egg mass hatched out.;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 2251949962; Occurrence Remarks: At edge of river.;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 2251950216; Occurrence Remarks: Found by Chris.;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 2251949026; Occurrence Remarks: Found by Anna. In stream.;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 2251980205; Occurrence Remarks: Found in culvert.;; Coordinate Uncertainty in Meters: 27599.00000.

GBIFID: 5154229801; Occurrence Remarks: This one looks really fat. Perhaps gravid. Another smaller one escaped being photographed.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 5167088881; Occurrence Remarks: In ditch. Weather: Clear skies; no rain. Air temp 45F.;; Coordinate Uncertainty in Meters: 27661.00000.

GBIFID: 2331859432; Occurrence Remarks: 1 adult seen and spooked; 40+ tadpoles;; Coordinate Uncertainty in Meters: 27630.00000.

GBIFID: 2429582618; Occurrence Remarks: Foothill Yellow-legged Frog (Rana boylii) - Coquille Myrtle Grove State Natural Area, Coos County, Oregon;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 2634413573; Occurrence Remarks: Foothill Yellow-legged Frog (Rana boylii) - 27 May 2020 - Powers Highway Boat Launch, Coos County, Oregon;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 1562887520; Occurrence Remarks: As I was stepping across the 30 cm wide creek, I thought I noticed something slip into the water from a small branch/twig along the bank just 20 cm above the water. I looked and found this frog. Frog roughly estimated at 33 mm SVL/TL.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1500350774; Occurrence Remarks: About 28mm TL. Perspective/angle in photos makes it look a bit smaller. Right next to trail, upper side, along tiny, 1ft wide stream. About 20 ft from current river water edge. Photos in bag and in little stream. Didnt touch this one w/my hands.;; Coordinate Uncertainty in Meters: 27490.00000.

GBIFID: 2901595702; Occurrence Remarks: On road at dusk heading towards creek.;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 2963790552; Occurrence Remarks: Found this guy on the chetco river;; Coordinate Uncertainty in Meters: 27692.00000.

GBIFID: 1571159840; Occurrence Remarks: About 34mm length. Did not capture, but held ruler near it under water. Frog hopped into water from within inches of water. As I tried to see where the frog went, after the tell-tale plop, I also noticed a 7 smallmouth bass zipping away as I approached where the frog had plopped in. Photoed w/canon and cell. Stayed on bottom of side channel for 15 min+. To the south about 30 feet, another small RABO hopped into the water, but I could not relocate it. Astonishingly, as I approached to try to find the frog, another 7 or so smallmouth bass was flushed from the same area. These poor little frogs would be easy prey for these fish.;; Coordinate Uncertainty in Meters: 27490.00000.

GBIFID: 1572341529; Occurrence Remarks: Found by Daniel at mouth of Doe Creek at pool below culvert. Called several times as Daniel held it: dry graty croak/click/trill.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1572341493; Occurrence Remarks: Jumped in to small isolated gravel pool. Large adult size. Photod in water.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1572341486; Occurrence Remarks: Several in large gravel / small cobble area.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1572341488; Occurrence Remarks: Several in large gravel / small cobble area.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1572393998; Occurrence Remarks: Roughly 40 mm TL.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1584428271; Occurrence Remarks: Saw a dozen or so of these in the gravel.;; Coordinate Uncertainty in Meters: 27568.00000.

GBIFID: 1584428357; Occurrence Remarks: 10 m up tributary from Cow Creek.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1584428263; Occurrence Remarks: Saw a dozen or so of these in the gravel.;; Coordinate Uncertainty in Meters: 27552.00000.

GBIFID: 1586126916; Occurrence Remarks: Jumped in stream and tried to hide.;; Coordinate Uncertainty in Meters: 27490.00000.

GBIFID: 1586948957; Occurrence Remarks: Ended up seeing well over 500 small R. boylii frogs, metamorphs, and some tadpoles with small back legs.;; Coordinate Uncertainty in Meters: 27490.00000.

GBIFID: 1586948897; Occurrence Remarks: Dozens more RABO here. Overall had many hundreds within this 100 meters of river.;; Coordinate Uncertainty in Meters: 27490.00000.

GBIFID: 2429491146; Occurrence Remarks: There were a hundred or so tadpoles at this stage in this area, while about 30 ft upstream were a couple hundred metamorphosed frogs.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 2429492233; Occurrence Remarks: This and another tadpole in this warmish pool did not react when I approached and appeared to be dying.;; Coordinate Uncertainty in Meters: 27505.00000.

GBIFID: 1621792447; Occurrence Remarks: Some kids were collecting bullfrog tadpoles (see other observations for today), and looking through their bucket full, I found this one.;; Coordinate Uncertainty in Meters: 27474.00000.

GBIFID: 3384342906; Occurrence Remarks: Spotted in a small inlet directly off the main channel. Didnt see any frogs or tadpoles in the side ponds but it was an extremely hot day and effort was casual.;; Coordinate Uncertainty in Meters: 27317.00000.

Josephine, Oregon: 42.188742, -123.726409: : 8/28/2025: Froggy Elizabeth Tinker: 28 Aug 2025 ; Coordinate Uncertainty in Meters: 27692.00000.

Josephine, Oregon: 42.392922, -123.738718: : 8/9/2025: Lee Cain: 9 Aug 2025 ; Coordinate Uncertainty in Meters: 27661.00000.