Idaho
Snakes in Teton County
3 species have been documented here, 1 of them venomous.
Venomous snakes in Teton County
Full guide & what to do if bitten →
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Teton County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.