Snakes in Idaho
8 snakes · 2 venomous · 3 mildly venomous · 3 non-venomous
Ranges are approximate. Snakes can turn up outside of them.
At a glance
8 of the 63 snakes on Learn2ID live in Idaho, part of the Mountain West. 2 are venomous: Prairie Rattlesnake and Western Rattlesnake. Common Gartersnake, Ring-necked Snake and Terrestrial Gartersnake have only a mild venom. The biggest group here is garter & ribbon snakes: 2 of the 8. 3 look-alike pairs here involve a venomous snake — see “Commonly confused” below.
Venomous snakes in Idaho
Commonly confused in Idaho
Mildly venomous snakes in Idaho
Non-venomous snakes in Idaho
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Ranges are approximate and still being checked by experts. A snake can turn up outside its usual range.