Minnesota Amphibian & Reptile Survey
Snakes of Minnesota
Common Garter Snake
Thamnophis sirtalis
Plains Garter Snake
Thamnophis radix
Lined Snake
Tropidoclonion lineatum
Brown Snake
Storeria dekayi
Red-bellied Snake
Storeria occipitomaculata
Gopher Snake
Pituophis catenifer
Western Fox Snake
Pantherophis vulpinus
Western Rat Snake
Pantherophis obsoletus
Milksnake
Lampropeltis triangulum
Northern Water Snake
Nerodia sipedon
Eastern Hognose Snake
Heterodon platirhinos
Plains Hognose Snake
Heterodon nasicus
Smooth Green Snake
Opheodrys vernalis
Racer
Coluber constrictor
Ring-necked Snake
Diadophis punctatus
Timber Rattlesnake
Crotalus horridus
Eastern Massasauga
Sistrurus catenatus