Reptiles & Amphibians of Montana
The reptiles & amphibians most often spotted in Montana, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Montana
Western Terrestrial Garter Snake
Thamnophis elegans
1,988 observations
Columbia Spotted Frog
Rana luteiventris
1,326 observations
Western Toad
Anaxyrus boreas
1,073 observations
Gopher Snake
Pituophis catenifer
907 observations
Painted Turtle
Chrysemys picta
693 observations
Prairie Rattlesnake
Crotalus viridis
530 observations
Common Garter Snake
Thamnophis sirtalis
440 observations
North American Racer
Coluber constrictor
367 observations
Northern Leopard Frog
Lithobates pipiens
305 observations
Northern Rubber Boa
Charina bottae
291 observations
Woodhouse's Toad
Anaxyrus woodhousii
287 observations
Long-toed Salamander
Ambystoma macrodactylum
258 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
254 observations
Western Tiger Salamander
Ambystoma mavortium
247 observations · iNaturalist
Boreal Chorus Frog
Pseudacris maculata
246 observations
Rocky Mountain Tailed Frog
Ascaphus montanus
213 observations · iNaturalist
Common Sagebrush Lizard
Sceloporus graciosus
190 observations
Great Plains Toad
Anaxyrus cognatus
131 observations
Pacific chorus frog
Pseudacris regilla
123 observations
Northern Alligator Lizard
Elgaria coerulea
94 observations
Plains Garter Snake
Thamnophis radix
89 observations
American Bullfrog
Lithobates catesbeianus
65 observations
Idaho Giant Salamander
Dicamptodon aterrimus
54 observations · iNaturalist
Plains Spadefoot
Spea bombifrons
50 observations
Spiny Softshell
Apalone spinifera
41 observations
Plains Hognose Snake
Heterodon nasicus
38 observations
Western Skink
Plestiodon skiltonianus
33 observations
Coeur d'Alene Salamander
Plethodon idahoensis
31 observations · iNaturalist
Common Snapping Turtle
Chelydra serpentina
26 observations
Western Milksnake
Lampropeltis gentilis
15 observations · iNaturalist
Western Rattlesnake
Crotalus oreganus
11 observations
Smooth Greensnake
Opheodrys vernalis
10 observations
Western Fence Lizard
Sceloporus occidentalis
8 observations
Pygmy Short-horned Lizard
Phrynosoma douglasii
4 observations
Pond Slider
Trachemys scripta
4 observations
Ring-necked Snake
Diadophis punctatus
2 observations
Wood Frog
Lithobates sylvaticus
2 observations
Greenhouse Frog
Eleutherodactylus planirostris
1 observation
Rough-skinned Newt
Taricha granulosa
1 observation
Ornate Box Turtle
Terrapene ornata
1 observation
Brown Anole
Anolis sagrei
1 observation