Colorado
Snakes in Alamosa County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Alamosa County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Alamosa County
Gopher Snake
Pituophis catenifer
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Pine Snake
Pituophis melanoleucus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.