Idaho
Snakes in Bannock County
9 species have been documented here, 1 of them venomous.
Venomous snakes in Bannock 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 Bannock County

Gopher Snake
Pituophis catenifer
Harmless

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

North American Racer
Coluber constrictor
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Northern Rubber Boa
Charina bottae
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Ring-necked Snake
Diadophis punctatus
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Striped Whipsnake
Masticophis taeniatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Bannock County: FAQ
- Are there venomous snakes in Bannock County, Idaho?
- Yes. 1 venomous snake species has verified records in Bannock County, Idaho, including Western Rattlesnake. Most snakes in Bannock County, Idaho, however, are harmless.
- How many snake species live in Bannock County, Idaho?
- 9 snake species have verified records in Bannock County, Idaho, of which 1 is venomous.
- What is the most commonly seen snake in Bannock County, Idaho?
- The Gopher Snake is the most frequently reported snake in Bannock County, Idaho, based on verified wildlife observations.
- What should I do if I see a venomous snake in Bannock 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.