Oregon
Snakes in Coos County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Coos 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 Coos County
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Aquatic Garter Snake
Thamnophis atratus
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Northern Rubber Boa
Charina bottae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Coos County: FAQ
- Are there venomous snakes in Coos County, Oregon?
- Yes. 1 venomous snake species has verified records in Coos County, Oregon, including Western Rattlesnake. Most snakes in Coos County, Oregon, however, are harmless.
- How many snake species live in Coos County, Oregon?
- 8 snake species have verified records in Coos County, Oregon, of which 1 is venomous.
- What is the most commonly seen snake in Coos County, Oregon?
- The Northwestern Garter Snake is the most frequently reported snake in Coos County, Oregon, based on verified wildlife observations.
- What should I do if I see a venomous snake in Coos County, Oregon?
- 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.