INATURALIST Observations 189681338
GBIFID: 4438685915; Occurrence Remarks: Aspidoscelis neotesselata- Colorado Checkered Whiptail?;; Coordinate Uncertainty in Meters: 488.00000.

INATURALIST Observations 17129585
GBIFID: 1948736782;; Coordinate Uncertainty in Meters: 4000.00000.

INATURALIST Observations 13563533
GBIFID: 2282992883;; Coordinate Uncertainty in Meters: 300.00000.

GBIFID: 4421197322;; Coordinate Uncertainty in Meters: 1722.00000.

GBIFID: 2283053854; Occurrence Remarks: It appears triploid is more expected, but diploid should be ruled out.;; Coordinate Uncertainty in Meters: 5.00000.

GBIFID: 2283051262; Occurrence Remarks: It appears triploid is more expected, but diploid should be ruled out.;; Coordinate Uncertainty in Meters: 5.00000.

Occurrence Remarks: 77F; Coordinate Uncertainty in Meters: 28388.00000.

GBIFID: 1932302347; Occurrence Remarks: Common Checkered Whiptail, BRJ;; Coordinate Uncertainty in Meters: 61.00000.

GBIFID: 4014989327; Occurrence Remarks: Found within Pinon Canyon Maneuver Site during the summer of 2018.;; Coordinate Uncertainty in Meters: 25879.00000.

GBIFID: 3330513808; Occurrence Remarks: Unsure on this one. Waiting for @laurenlivo opinion;; Coordinate Uncertainty in Meters: 28359.00000.

Unknown, Colorado: 37.526966, -103.96798: : 7/7/2026: Aiva Noringseth: 7 Jul 2026 ; Coordinate Uncertainty in Meters: 28388.00000.

Occurrence Remarks: 2 indivuduals 83F; Coordinate Uncertainty in Meters: 28359.00000.

GBIFID: 3858932069; Occurrence Remarks: X3;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4945908367; Occurrence Remarks: at window rock on road to dinosaur tracks, Picketwire Canyon;; Coordinate Uncertainty in Meters: 202.00000.

GBIFID: 5188224065; Occurrence Remarks: I thinkΓÇª hard to tell apart from Colorado Checkered Whiptail.;; Coordinate Uncertainty in Meters: 10.00000.

GBIFID: 5217180792; Occurrence Remarks: Lacking white marking on back of thigh.;; Coordinate Uncertainty in Meters: 4.00000.

GBIFID: 5216788767; Occurrence Remarks: Lacking white marking on back of thigh.;; Coordinate Uncertainty in Meters: 5.00000.

Occurrence Remarks:; Coordinate Uncertainty in Meters: 28329.00000.

Occurrence Remarks: Squirrely little buggers arent they; Coordinate Uncertainty in Meters: 0.11000.

Otero, Colorado: 37.953039, -103.623304: : 6/28/2025: Terra Hyde: 28 Jun 2025 ; Coordinate Uncertainty in Meters: 6.00000.

Unknown, Colorado: 38.242195, -104.729287: : 6/17/2026: mnaturalistss: 17 Jun 2026 ; Coordinate Uncertainty in Meters: 9.00000.

GBIFID: 4165437615; Occurrence Remarks: 2;; Coordinate Uncertainty in Meters: 28329.00000.

GBIFID: 4901253395; Occurrence Remarks: Wild.;; Coordinate Uncertainty in Meters: 31.00000.

GBIFID: 2818770725; Occurrence Remarks: AOR;; Coordinate Uncertainty in Meters: 28329.00000.

Unknown, Colorado: 38.23425, -104.261275: : 7/10/2026: Aiva Noringseth: 10 Jul 2026 ; Coordinate Uncertainty in Meters: 4.00000.

Occurrence Remarks:; Coordinate Uncertainty in Meters: 13.00000.

Occurrence Remarks:; Coordinate Uncertainty in Meters: 0.11000.

Pueblo, Colorado: 38.258672, -104.695773: : 9/14/2025: David Martin: 14 Sep 2025 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 38.259405, -104.704653: : 5/26/2026: Ryan Goodman: 26 May 2026 ; Coordinate Uncertainty in Meters: 3.00000.

Unknown, Colorado: 38.26005, -104.701552: : 5/22/2026: dalelpate: 22 May 2026 ; Coordinate Uncertainty in Meters: 31.00000.

Unknown, Colorado: 38.260347, -104.752469: : 5/26/2026: Lorraine Lanning: 26 May 2026 ; Coordinate Uncertainty in Meters: 5463.00000.

Unknown, Colorado: 38.259964, -104.699421: : 5/12/2026: David Martin: 12 May 2026 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 38.259084, -104.694159: : 5/12/2026: David Martin: 12 May 2026 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 38.248925, -104.737938: : 5/15/2026: David Martin: 15 May 2026 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 38.252903, -104.594955: : 6/1/2026: Sabine Manske: 1 Jun 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Unknown, Colorado: 38.253735, -104.595778: : 6/27/2026: Ryley Olsen: 27 Jun 2026 ; Coordinate Uncertainty in Meters: 30.00000.

Pueblo, Colorado: 38.257276, -104.734092: : 6/22/2025: Tammy Sanders: 22 Jun 2025 ; Coordinate Uncertainty in Meters: 0.11000.

GBIFID: 3399140303; Occurrence Remarks: Immature.;; Coordinate Uncertainty in Meters: 0.11000.

GBIFID: 5176768438; Occurrence Remarks: Saw at least 4+ specimens;; Coordinate Uncertainty in Meters: 28.00000.

Unknown, Colorado: 38.274438, -104.762253: : 5/26/2026: Ryan Goodman: 26 May 2026 ; Coordinate Uncertainty in Meters: 3.00000.

Unknown, Colorado: 38.270532, -104.610103: : 5/24/2026: Emery Cruz: 24 May 2026 ; Coordinate Uncertainty in Meters: 15596.00000.

GBIFID: 1899758976; Occurrence Remarks: Yes shes pooping;; Coordinate Uncertainty in Meters: 28270.00000.

Unknown, Colorado: 38.269688, -104.677637: : 6/8/2026: madelyn_98: 8 Jun 2026 ; Coordinate Uncertainty in Meters: 3.00000.

Unknown, Colorado: 38.270338, -104.677008: : 6/9/2026: Annabelle Corboy: 9 Jun 2026 ; Coordinate Uncertainty in Meters: 4.00000.

Unknown, Colorado: 38.296645, -104.824931: : 6/15/2026: mnaturalistss: 15 Jun 2026 ; Coordinate Uncertainty in Meters: 11.00000.

Unknown, Colorado: 38.269329, -104.64688: : 6/21/2026: Fat Quail: 21 Jun 2026 ; Coordinate Uncertainty in Meters: 23.00000.

Unknown, Colorado: 38.26872, -104.679633: : 6/22/2026: Grayson Walker: 22 Jun 2026 ; Coordinate Uncertainty in Meters: 9.00000.

GBIFID: 3802709511; Occurrence Remarks: Colorado Checkered Whiptail (Aspidoscelis neotesselata), Pueblo County, Colorado;; Coordinate Uncertainty in Meters: 25.00000.

GBIFID: 3802678588; Occurrence Remarks: Colorado Checkered Whiptail (Aspidoscelis neotesselata), Pueblo County, Colorado The bottom-right lizard was independently observed.;; Coordinate Uncertainty in Meters: 25.00000.

GBIFID: 1932301561; Occurrence Remarks: Overheated;; Coordinate Uncertainty in Meters: 33021.00000.

GBIFID: 3903317241; Occurrence Remarks: Saw upwards of 10 individuals in this area, mostly juvenile.;; Coordinate Uncertainty in Meters: 10.00000.

GBIFID: 3903312676; Occurrence Remarks: Finally caught one.;; Coordinate Uncertainty in Meters: 51.00000.

GBIFID: 3903510867; Occurrence Remarks: Saw three juveniles in the same rock garden.;; Coordinate Uncertainty in Meters: 37.00000.

GBIFID: 4153830001; Occurrence Remarks: dor;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 1932310462; Occurrence Remarks: Juvenile, found eating a mole cricket;; Coordinate Uncertainty in Meters: 122.00000.

GBIFID: 4867694157; Occurrence Remarks: My husband saw this guy at work in Pueblo! He said it was about a foot long with his tail.;; Coordinate Uncertainty in Meters: 28270.00000.

GBIFID: 2429414248; Occurrence Remarks: One of at least three young specimens observed. Much of the area that is under water in the map was dry at the time of our visit. With Leptim.;; Coordinate Uncertainty in Meters: 0.11000.

GBIFID: 1806322794; Occurrence Remarks: Whip tail eating a grasshopper at Ospey in Lake Pueblo State Park;; Coordinate Uncertainty in Meters: 8.00000.

GBIFID: 2823069870; Occurrence Remarks: Out on a surprisingly chilly day in May;; Coordinate Uncertainty in Meters: 7.00000.

GBIFID: 2851321495; Occurrence Remarks: Found next to locomotive #2912 at the Pueblo Railway Museum;; Coordinate Uncertainty in Meters: 0.11000.

Pueblo, Colorado: 38.266217, -104.657433: : 7/6/2017: David Andreas de Rivera T├╕nnessen: 6 Jul 2017 :
GBIFID: 1586097067; Occurrence Remarks: Endemic to Colorado?;; Coordinate Uncertainty in Meters: 5.00000.

GBIFID: 3355187933; Occurrence Remarks: Not sure which checkered whitetail it is. Was sad, this was near an area being cleared for a solar farm;; Coordinate Uncertainty in Meters: 43.00000.

GBIFID: 3712687427; Occurrence Remarks: Lizard;; Coordinate Uncertainty in Meters: 3.00000.

Pueblo, Colorado: 38.265721, -104.644412: : 8/27/2025: cyphorhinus: 27 Aug 2025 ; Coordinate Uncertainty in Meters: 2283.00000.

Occurrence Remarks: Occurrence Remarks: Had been run over by a bike; Coordinate Uncertainty in Meters: 4.00000.

Occurrence Remarks: One of 5 YOY observed in the vicinity; Coordinate Uncertainty in Meters: 4.00000.

El Paso, Colorado: 38.713355, -104.716768: : 6/18/2024: @korone on iNaturalist.org: 18 Jun 2024 ; Coordinate Uncertainty in Meters: 24.00000.

El Paso, Colorado: 38.714213, -104.719462: : 6/18/2024: @korone on iNaturalist.org: 18 Jun 2024 ; Coordinate Uncertainty in Meters: 33.00000.

Unknown, Colorado: 38.723488, -104.725601: : 5/30/2026: calebcam: 30 May 2026 ; Coordinate Uncertainty in Meters: 15.00000.

Unknown, Colorado: 38.453239, -105.492898: : 5/24/2026: Blooming: 24 May 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Unknown, Colorado: 38.453258, -105.49267: : 5/23/2026: Blooming: 23 May 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Unknown, Colorado: 38.453271, -105.492767: : 5/24/2026: Blooming: 24 May 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Unknown, Colorado: 38.432434, -105.253967: : 5/29/2026: bushmonkey140: 29 May 2026 ; Coordinate Uncertainty in Meters: 4.00000.

Unknown, Colorado: 38.462278, -105.313632: : 5/10/2026: Ticklover: 10 May 2026 ; Coordinate Uncertainty in Meters: 1035.00000.

Fremont, Colorado: 38.445167, -105.196808: : 9/11/2025: Carly M. Guido: 11 Sep 2025 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 38.435379, -105.254893: : 5/10/2026: jamesincanon: 10 May 2026 ; Coordinate Uncertainty in Meters: 3.00000.

Unknown, Colorado: 38.430685, -105.254168: : 4/1/2026: jamesincanon: 1 Apr 2026 ; Coordinate Uncertainty in Meters: 0.11000.

Adams, Colorado: 39.81387, -104.95259: : 7/4/2025: Lauren Livo: 4 Jul 2025 ; Coordinate Uncertainty in Meters: 1.11000.

El Paso, Colorado: 38.721094, -104.63631: : 6/25/2025: Eric Johnson: 25 Jun 2025 ; Coordinate Uncertainty in Meters: 28210.00000.

Unknown, Colorado: 38.393742, -104.963966: : 6/5/2026: bret-t: 5 Jun 2026 ; Coordinate Uncertainty in Meters: 82.00000.

Unknown, Colorado: 38.432532, -105.251175: : 6/18/2026: jamesincanon: 18 Jun 2026 ; Coordinate Uncertainty in Meters: 20.00000.

Occurrence Remarks: Stinker ran away so enjoy an obscured photo; Coordinate Uncertainty in Meters: 4.00000.

Unknown, Colorado: 38.438288, -105.24035: : 6/28/2026: Tracey Burke: 28 Jun 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Fremont, Colorado: 38.433678, -105.265056: : 6/15/2025: Gabriel: 15 Jun 2025 ; Coordinate Uncertainty in Meters: 0.11000.

Unknown, Colorado: 39.534562, -105.070367: : 7/24/2026: bradyh: 24 Jul 2026 ; Coordinate Uncertainty in Meters: 2.00000.

Fremont, Colorado: 38.433724, -105.25004: : 9/22/2025: jamesincanon: 22 Sep 2025 ; Coordinate Uncertainty in Meters: 441.00000.

GBIFID: 3859988293; Occurrence Remarks: 91F, Adult;; Coordinate Uncertainty in Meters: 28090.00000.

GBIFID: 3859126978; Occurrence Remarks: Royal Gorge overlook trail. The gnats were horrific here--could barely photograph anything else b/c of the annoying gnats in my face.;; Coordinate Uncertainty in Meters: 10.00000.

GBIFID: 3873633508; Occurrence Remarks: Living in window well;; Coordinate Uncertainty in Meters: 4.00000.

GBIFID: 3873569868; Occurrence Remarks: Is this a Colorado Checkered Whiptail? Sighting at Aiken Canyon;; Coordinate Uncertainty in Meters: 0.11000.

GBIFID: 3915624273; Occurrence Remarks: One of two whiptails rescued from a window well, very dehydrated and emaciated.;; Coordinate Uncertainty in Meters: 119.00000.

GBIFID: 3923671744; Occurrence Remarks: Number two of two whiptails rescued from a window well, very dehydrated and emaciated.;; Coordinate Uncertainty in Meters: 59.00000.

GBIFID: 1945461674; Occurrence Remarks: Gecko (unknown species) Woodys Ranch Fremont County CO June 2012 IMG_2543 IMG_2544;; Coordinate Uncertainty in Meters: 61.00000.

GBIFID: 4908445945; Occurrence Remarks: Sorry, I missed his head :-(;; Coordinate Uncertainty in Meters: 126.00000.

GBIFID: 5187614709; Occurrence Remarks: This is an awful picture Im sorry;; Coordinate Uncertainty in Meters: 4.00000.

GBIFID: 5230407722; Occurrence Remarks: diva;; Coordinate Uncertainty in Meters: 8.00000.

GBIFID: 5230348690; Occurrence Remarks: diva;; Coordinate Uncertainty in Meters: 3.00000.

GBIFID: 5237634872; Occurrence Remarks: Mountain bike casualty;; Coordinate Uncertainty in Meters: 13.00000.

GBIFID: 2331938321; Occurrence Remarks: Near Pueblo at a rest stop. Diploid not present here, so Triploid. Another one was seen as well.;; Coordinate Uncertainty in Meters: 28240.00000.

GBIFID: 2850535600; Occurrence Remarks: Critter at my window. I usually have to grab them and lift them out of the window well.;; Coordinate Uncertainty in Meters: 14198.00000.

GBIFID: 3014032605; Occurrence Remarks: Found along the eastern shore of Potholes Reservoir.;; Coordinate Uncertainty in Meters: 5.00000.

El Paso, Colorado: 38.712279, -104.716755: : 8/24/2017: David Andreas de Rivera T├╕nnessen: 24 Aug 2017 :
GBIFID: 1640053129; Occurrence Remarks: Farthest north I have seen the species. There seems to be so much variability in pattern...;; Coordinate Uncertainty in Meters: 12.00000.

GBIFID: 3314283618; Occurrence Remarks: Triploid checkered whiptail with an amputated tail by the Arkansas River;; Coordinate Uncertainty in Meters: 7.00000.

GBIFID: 3325895341; Occurrence Remarks: one of two individuals observed along skyline drive;; Coordinate Uncertainty in Meters: 15.00000.

Unknown, Colorado: 38.442683, -105.237878: : 7/5/2026: Andrea Iles: 5 Jul 2026 ; Coordinate Uncertainty in Meters: 7.00000.

Unknown, Colorado: 38.713226, -104.716789: : 7/17/2026: mityquin: 17 Jul 2026 ; Coordinate Uncertainty in Meters: 3.00000.

Unknown, Colorado: 39.813676, -104.953449: : 7/22/2026: Olivia Salmon: 22 Jul 2026 ; Coordinate Uncertainty in Meters: 453.00000.