Minnesota
Snakes in Winona County
10 species have been documented here, 1 of them venomous.
Venomous snakes in Winona 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 Winona County
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Western Foxsnake
Pantherophis ramspotti
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Winona County: FAQ
- Are there venomous snakes in Winona County, Minnesota?
- Yes. 1 venomous snake species has verified records in Winona County, Minnesota, including Timber Rattlesnake. Most snakes in Winona County, Minnesota, however, are harmless.
- How many snake species live in Winona County, Minnesota?
- 10 snake species have verified records in Winona County, Minnesota, of which 1 is venomous.
- What is the most commonly seen snake in Winona County, Minnesota?
- The Common Watersnake is the most frequently reported snake in Winona County, Minnesota, based on verified wildlife observations.
- What should I do if I see a venomous snake in Winona County, Minnesota?
- 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.