Amphibians and Reptiles of South Dakota
Snakes of South Dakota
North American Racer
Coluber constrictor
Ring-necked Snake
Diadophis punctatus
Plains Hog-nosed Snake
Heterodon nasicus
Eastern Hog-nosed Snake
Heterodon platirhinos
Milksnake
Lampropeltis triangulum
Common Watersnake
Nerodia sipedon
Smooth Greensnake
Opheodrys vernalis
Western Foxsnake
Pantherophis ramspotti
Gophersnake
Pituophis catenifer
Dekay's Brownsnake
Storeria dekayi
Red-bellied Snake
Storeria occipitomaculata
Terrestrial Gartersnake
Thamnophis elegans
Plains Gartersnake
Thamnophis radix
Common Gartersnake
Thamnophis sirtalis
Lined Snake
Tropidoclonion lineatum
Prairie Rattlesnake
Crotalus viridis