Illinois
Snakes in Lake County
11 species have been documented here, 1 of them venomous.
Venomous snakes in Lake County
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Lake County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Smooth Greensnake
Opheodrys vernalis
Harmless
Queensnake
Regina septemvittata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.