Oregon
Snakes in Jefferson County
10 species have been documented here, 1 of them venomous.
Venomous snakes in Jefferson 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 Jefferson County
Common Garter Snake
Thamnophis sirtalis
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
North American Racer
Coluber constrictor
Harmless
Northern Rubber Boa
Charina bottae
Harmless
Desert Nightsnake
Hypsiglena chlorophaea
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.