Colorado
Snakes in San Miguel County
6 species have been documented here, 1 of them venomous.
Venomous snakes in San Miguel 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 San Miguel County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Smooth Greensnake
Opheodrys vernalis
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.