Washington
Snakes in Whatcom County
5 species have been documented here, 1 of them venomous.
Venomous snakes in Whatcom 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 Whatcom County
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Northern Rubber Boa
Charina bottae
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.