An adult Wyoming Toad from Albany County, Wyoming (iNat: 56453138). Image by iNat user xxx (go_outside).
An adult Wyoming Toad from Albany County, Wyoming (iNat: 12963973). Image by iNat user Bryce Tugwell (cookgypsy).
AMPHIBIA (Amphibians) ANURA (Frogs) BUFONIDAE (True Toads)

Wyoming Toad
Anaxyrus baxteri (Porter 1968)
ăn-ăk-sĕr'-ōs — baxteri


Conservation Status:

State: None

Federal: None
NatureServe State: None - None
NatureServe National: None - None
NatureServe Global: None - None
CITES: None
Diagnosis:


Distribution:

(,   Museum Voucher) (,   Observation) (,   Literature Record) (,   iNat Record), (  Fossil)
Open icons are questionable records; Click on a marker to view details.
Full range depicted by light shaded red area. Export Google Earth (.kml)
  • Occurrence Summary:  
  • 0
    Records 
  • 0
    Museum Vouchers 
  • 0
    Other Observations 
Some county occurrences indicated below may be too imprecise to map above.
County Breakdown: County Name (# occurrences):


Natural History:


Occurrence Activity:
Number of Unique Obervations (=days): 0; Range: 01 Jan to 01 Jan
Chorusing:

Audio recording by Keith Coleman.

Chorusing Phenology: The black outlined dots denote the Julian date (day of the year; 1 January = 1 to 31 December = 365) an observation was made. The thin red line depicts the range of dates between the beginning of the first, and end of the fourth quartile (excluding outliers; Tukey method). The thick light blue bar represents the second and third quartile (interquartile range; the middle 50% of all observations). Only one observation per Julian date is included in the graphs; so a date with multiple observations carries the same weight as a date with only one observation. The vertical bars correspond to the 12 months of the year; January through December.
Number of Unique Obervations: ; Range: ; Interquartile range: ;

Remarks:


Bibliography:
1998 Powell, Robert, Joseph T Collins, and Errol D Hooper Jr. A Key to Amphibians & Reptiles of the Continental United States and Canada. Univ Press of Kansas, Lawrence, Kansas. 131pp.
2004 Pauly, Gregory B., David M. Hillis, and David C. Cannatella. The history of a Nearctic colonization: Molecular phylogenetics and biogeography of the Nearctic toads (Bufo). Evolution 58():2517-2535
2008 Pauly, Gregory B. Phylogenetic systematics, historical biogeography, and the evolution of vocalizations in Nearctic toads (Bufo). Dissertation. University of Texas, Austin. 165pp.
TNHC 62701 (CK Co.) used in analyses.
2012 Powell, Robert, Joseph T Collins, and Errol D Hooper Jr. Key to the Herpetofauna of the Continental United States and Canada: Second Edition, Revised and Updated. Univ Press of Kansas, Lawrence, Kansas. 152pp.
2017 Crother, Brian I. (editor) Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding. Eighth edition. Herpetological Circulars (43):1-102
2019 Powell, Robert, Joseph T Collins, and Errol D Hooper Jr. Key to the Herpetofauna of the Continental United States and Canada. Third Edition. Univ Press of Kansas, Lawrence, Kansas. 192pp.
Account Last Updated:
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Travis W. Taggart © 1999-2025 — w/ Sternberg Museum of Natural History, Fort Hays State University