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Reptiles & Amphibians of Wyoming

The reptiles & amphibians most often spotted in Wyoming, ranked by recent research-grade observations.

6,668
recent observations
37
species listed
37
reptiles & amphibians

Naturalists have logged 6,668 research-grade observations across the 37 most-recorded species in Wyoming. The most frequently seen is the Western Terrestrial Garter Snake, with 1,438 recorded sightings.

Most-observed reptiles & amphibians in Wyoming

Western Terrestrial Garter Snake
Thamnophis elegans
1,438 observations
Gopher Snake
Pituophis catenifer
670 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
504 observations
Columbia Spotted Frog
Rana luteiventris
451 observations
Boreal Chorus Frog
Pseudacris maculata
442 observations
Northern Leopard Frog
Lithobates pipiens
424 observations
Western Tiger Salamander
Ambystoma mavortium
412 observations
Prairie Rattlesnake
Crotalus viridis
401 observations
Common Sagebrush Lizard
Sceloporus graciosus
335 observations
Western Toad
Anaxyrus boreas
317 observations
Woodhouse's Toad
Anaxyrus woodhousii
281 observations
North American Racer
Coluber constrictor
163 observations
Painted Turtle
Chrysemys picta
118 observations
Plains Hognose Snake
Heterodon nasicus
92 observations
Northern Rubber Boa
Charina bottae
54 observations
Common Garter Snake
Thamnophis sirtalis
51 observations
Plains Spadefoot
Spea bombifrons
44 observations
Plateau Fence Lizard
Sceloporus tristichus
43 observations
Great Plains Toad
Anaxyrus cognatus
42 observations
Prairie Lizard
Sceloporus consobrinus
38 observations
Great Basin Spadefoot
Spea intermontana
35 observations
American Bullfrog
Lithobates catesbeianus
34 observations
Wood Frog
Lithobates sylvaticus
34 observations
Wyoming Toad
Anaxyrus baxteri
33 observations · iNaturalist
Common Snapping Turtle
Chelydra serpentina
31 observations
Western Milksnake
Lampropeltis gentilis
28 observations
Western Rattlesnake
Crotalus oreganus
27 observations
Smooth Greensnake
Opheodrys vernalis
24 observations
Plains Garter Snake
Thamnophis radix
20 observations
Spiny Softshell
Apalone spinifera
18 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
14 observations · iNaturalist
Plains Black-headed Snake
Tantilla nigriceps
13 observations
Ornate Tree Lizard
Urosaurus ornatus
11 observations
Western Earless Lizard
Holbrookia maculata
11 observations
Many-lined Skink
Plestiodon multivirgatus
9 observations
Pond Slider
Trachemys scripta
5 observations
Red-bellied Snake
Storeria occipitomaculata
1 observation

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

Reptiles & Amphibians in nearby places

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