Idaho
Snakes in Owyhee County
11 species have been documented here, 2 of them venomous.
Venomous snakes in Owyhee 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.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Owyhee County

Gopher Snake
Pituophis catenifer
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Striped Whipsnake
Masticophis taeniatus
Harmless

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

North American Racer
Coluber constrictor
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Ground Snake
Sonora semiannulata
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Northern Rubber Boa
Charina bottae
Harmless

Long-nosed Snake
Rhinocheilus lecontei
Harmless

Desert Nightsnake
Hypsiglena chlorophaea
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Owyhee County: FAQ
- Are there venomous snakes in Owyhee County, Idaho?
- Yes. 2 venomous snake species have verified records in Owyhee County, Idaho, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Owyhee County, Idaho, however, are harmless.
- How many snake species live in Owyhee County, Idaho?
- 11 snake species have verified records in Owyhee County, Idaho, of which 2 are venomous.
- What is the most commonly seen snake in Owyhee County, Idaho?
- The Gopher Snake is the most frequently reported snake in Owyhee County, Idaho, based on verified wildlife observations.
- What should I do if I see a venomous snake in Owyhee 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.