Idaho
Snakes in Bonneville County
6 species have been documented here, 1 of them venomous.
Venomous snakes in Bonneville 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 Bonneville County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Northern Rubber Boa
Charina bottae
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
North American Racer
Coluber constrictor
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Bonneville County: FAQ
- Are there venomous snakes in Bonneville County, Idaho?
- Yes. 1 venomous snake species has verified records in Bonneville County, Idaho, including Western Rattlesnake. Most snakes in Bonneville County, Idaho, however, are harmless.
- How many snake species live in Bonneville County, Idaho?
- 6 snake species have verified records in Bonneville County, Idaho, of which 1 is venomous.
- What is the most commonly seen snake in Bonneville County, Idaho?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Bonneville County, Idaho, based on verified wildlife observations.
- What should I do if I see a venomous snake in Bonneville County, Idaho?
- 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.