Colorado
Snakes in Pueblo County
21 species have been documented here, 2 of them venomous.
Venomous snakes in Pueblo 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 Pueblo County
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Glossy Snake
Arizona elegans
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
North American Racer
Coluber constrictor
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Tantilla selmae
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Smooth Greensnake
Opheodrys vernalis
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Great Plains Ground Snake
Sonora episcopa
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.