Wisconsin
Snakes in Crawford County
11 species have been documented here, 1 of them venomous.
Venomous snakes in Crawford County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Crawford County

Eastern Milksnake
Lampropeltis triangulum
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Gopher Snake
Pituophis catenifer
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

North American Racer
Coluber constrictor
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Gray Ratsnake
Pantherophis spiloides
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Crawford County: FAQ
- Are there venomous snakes in Crawford County, Wisconsin?
- Yes. 1 venomous snake species has verified records in Crawford County, Wisconsin, including Timber Rattlesnake. Most snakes in Crawford County, Wisconsin, however, are harmless.
- How many snake species live in Crawford County, Wisconsin?
- 11 snake species have verified records in Crawford County, Wisconsin, of which 1 is venomous.
- What is the most commonly seen snake in Crawford County, Wisconsin?
- The Eastern Milksnake is the most frequently reported snake in Crawford County, Wisconsin, based on verified wildlife observations.
- What should I do if I see a venomous snake in Crawford 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.