Reptiles & Amphibians of Custer State Park
The reptiles & amphibians most often spotted in Custer, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Custer
Painted Turtle
Chrysemys picta
63 observations
Western Terrestrial Garter Snake
Thamnophis elegans
29 observations
Northern Leopard Frog
Lithobates pipiens
25 observations
Woodhouse's Toad
Anaxyrus woodhousii
16 observations
Common Garter Snake
Thamnophis sirtalis
15 observations
Gopher Snake
Pituophis catenifer
15 observations
North American Racer
Coluber constrictor
14 observations
Prairie Rattlesnake
Crotalus viridis
8 observations
Smooth Greensnake
Opheodrys vernalis
6 observations
Common Snapping Turtle
Chelydra serpentina
5 observations
Boreal Chorus Frog
Pseudacris maculata
3 observations
Red-bellied Snake
Storeria occipitomaculata
2 observations · iNaturalist
Cope's Gray Tree Frog
Dryophytes chrysoscelis
2 observations · iNaturalist
Plains Garter Snake
Thamnophis radix
1 observation
American Bullfrog
Lithobates catesbeianus
1 observation
Western Milksnake
Lampropeltis gentilis
1 observation · iNaturalist
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