Oregon
Snakes in Benton County
11 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

Common Garter Snake
Thamnophis sirtalis
Harmless

Northwestern Garter Snake
Thamnophis ordinoides
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Northern Rubber Boa
Charina bottae
Harmless

North American Racer
Coluber constrictor
Harmless

Common Sharp-tailed Snake
Contia tenuis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Western Rattlesnake
Crotalus oreganus
Venomous

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.