Washington
Snakes in Benton County
9 species have been documented here, 2 of them venomous.
Venomous snakes in Benton 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 Benton County

Gopher Snake
Pituophis catenifer
Harmless

North American Racer
Coluber constrictor
Harmless

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Pine Snake
Pituophis melanoleucus
Harmless

Striped Whipsnake
Masticophis taeniatus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.