Oregon
Snakes in Gilliam County
5 species have been documented here, 2 of them venomous.
Venomous snakes in Gilliam 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 Gilliam County
Gopher Snake
Pituophis catenifer
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Gilliam County: FAQ
- Are there venomous snakes in Gilliam County, Oregon?
- Yes. 2 venomous snake species have verified records in Gilliam County, Oregon, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Gilliam County, Oregon, however, are harmless.
- How many snake species live in Gilliam County, Oregon?
- 5 snake species have verified records in Gilliam County, Oregon, of which 2 are venomous.
- What is the most commonly seen snake in Gilliam County, Oregon?
- The Gopher Snake is the most frequently reported snake in Gilliam County, Oregon, based on verified wildlife observations.
- What should I do if I see a venomous snake in Gilliam 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.