Reptiles & Amphibians of Wyoming
The reptiles & amphibians most often spotted in Wyoming, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Wyoming
Western Terrestrial Garter Snake
Thamnophis elegans
1,222 observations
Gopher Snake
Pituophis catenifer
619 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
459 observations
Boreal Chorus Frog
Pseudacris maculata
408 observations
Columbia Spotted Frog
Rana luteiventris
395 observations
Northern Leopard Frog
Lithobates pipiens
384 observations
Western Tiger Salamander
Ambystoma mavortium
363 observations · iNaturalist
Prairie Rattlesnake
Crotalus viridis
356 observations
Common Sagebrush Lizard
Sceloporus graciosus
281 observations
Western Toad
Anaxyrus boreas
271 observations
Woodhouse's Toad
Anaxyrus woodhousii
259 observations
North American Racer
Coluber constrictor
142 observations
Painted Turtle
Chrysemys picta
114 observations
Plains Hognose Snake
Heterodon nasicus
89 observations
Northern Rubber Boa
Charina bottae
46 observations
Common Garter Snake
Thamnophis sirtalis
44 observations
Great Plains Toad
Anaxyrus cognatus
38 observations
Great Basin Spadefoot
Spea intermontana
37 observations · iNaturalist
Plains Spadefoot
Spea bombifrons
35 observations
Prairie Lizard
Sceloporus consobrinus
35 observations · iNaturalist
Plateau Fence Lizard
Sceloporus tristichus
33 observations · iNaturalist
Wyoming Toad
Anaxyrus baxteri
32 observations · iNaturalist
Common Snapping Turtle
Chelydra serpentina
29 observations
American Bullfrog
Lithobates catesbeianus
29 observations
Western Milksnake
Lampropeltis gentilis
26 observations · iNaturalist
Western Rattlesnake
Crotalus oreganus
24 observations
Wood Frog
Lithobates sylvaticus
24 observations
Smooth Greensnake
Opheodrys vernalis
21 observations
Plains Garter Snake
Thamnophis radix
20 observations
Spiny Softshell
Apalone spinifera
14 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
14 observations · iNaturalist
Plains Black-headed Snake
Tantilla nigriceps
13 observations · iNaturalist
Ornate Tree Lizard
Urosaurus ornatus
10 observations
Western Earless Lizard
Holbrookia maculata
10 observations
Many-lined Skink
Plestiodon multivirgatus
9 observations
Pond Slider
Trachemys scripta
4 observations
Red-bellied Snake
Storeria occipitomaculata
1 observation · iNaturalist