Wisconsin
Snakes in Monroe County
12 species have been documented here, and none are venomous.
Every snake recorded in Monroe County
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
North American Racer
Coluber constrictor
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.