Snakes in Pueblo County

• 
  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

  Stout, 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

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

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

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Pueblo County: FAQ

Are there venomous snakes in Pueblo County, Colorado?

Yes. 2 venomous snake species have verified records in Pueblo County, Colorado, including Prairie Rattlesnake, Western Massasauga. Most snakes in Pueblo County, Colorado, however, are harmless.

How many snake species live in Pueblo County, Colorado?

10+ snake species have verified records in Pueblo County, Colorado, of which 2 are venomous.

What is the most commonly seen snake in Pueblo County, Colorado?

The Gopher Snake is the most frequently reported snake in Pueblo County, Colorado, based on verified wildlife observations.

What should I do if I see a venomous snake in Pueblo County, Colorado?

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.

Nearby counties