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