Colorado
Snakes in El Paso County
12 species have been documented here, 2 of them venomous.
Venomous snakes in El Paso 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.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in El Paso County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Plains Garter Snake
Thamnophis radix
Harmless
North American Racer
Coluber constrictor
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Glossy Snake
Arizona elegans
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.