Wisconsin
Snakes in Columbia County
9 species have been documented here, 1 of them venomous.
Venomous snakes in Columbia 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 Columbia County
Common Garter Snake
Thamnophis sirtalis
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Common Watersnake
Nerodia sipedon
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Columbia County: FAQ
- Are there venomous snakes in Columbia County, Wisconsin?
- Yes. 1 venomous snake species has verified records in Columbia County, Wisconsin, including Eastern Massasauga. Most snakes in Columbia County, Wisconsin, however, are harmless.
- How many snake species live in Columbia County, Wisconsin?
- 9 snake species have verified records in Columbia County, Wisconsin, of which 1 is venomous.
- What is the most commonly seen snake in Columbia County, Wisconsin?
- The Common Garter Snake is the most frequently reported snake in Columbia County, Wisconsin, based on verified wildlife observations.
- What should I do if I see a venomous snake in Columbia County, Wisconsin?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.