Snakes in Wisconsin
14 snakes · 2 venomous · 3 mildly venomous · 9 non-venomous
Ranges are approximate. Snakes can turn up outside of them.
At a glance
14 of the 63 snakes on Learn2ID live in Wisconsin, part of the Midwest. 2 are venomous: Eastern Massasauga and Timber Rattlesnake. Common Gartersnake, Eastern Hog-nosed Snake and Ring-necked Snake have only a mild venom. The biggest group here is garter & ribbon snakes: 3 of the 14. 6 look-alike pairs here involve a venomous snake — see “Commonly confused” below.
Venomous snakes in Wisconsin
Commonly confused in Wisconsin
Common GartersnakevsDeKay's Brownsnake›Common GartersnakevsEastern Ribbonsnake›Common GartersnakevsWestern Ribbonsnake›DeKay's BrownsnakevsRed-bellied Snake›DeKay's BrownsnakevsRing-necked Snake›Eastern MassasaugavsEastern Hog-nosed Snake›Eastern MassasaugavsEastern Milksnake›Eastern MassasaugavsNorthern Watersnake›Eastern MilksnakevsNorthern Watersnake›Eastern RibbonsnakevsWestern Ribbonsnake›Gray RatsnakevsNorth American Racer›Red-bellied SnakevsRing-necked Snake›Timber RattlesnakevsEastern Milksnake›Timber RattlesnakevsGray Ratsnake›Timber RattlesnakevsNorthern Watersnake›
Mildly venomous snakes in Wisconsin
Non-venomous snakes in Wisconsin
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Ranges are approximate and still being checked by experts. A snake can turn up outside its usual range.