Snakes in Weld County

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  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

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

Every snake recorded in Weld County

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Gopher Snake

Pituophis catenifer

Harmless

Plains Garter Snake

Thamnophis radix

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

North American Racer

Coluber constrictor

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Weld County: FAQ

Are there venomous snakes in Weld County, Colorado?

Yes. 1 venomous snake species has verified records in Weld County, Colorado, including Prairie Rattlesnake. Most snakes in Weld County, Colorado, however, are harmless.

How many snake species live in Weld County, Colorado?

11 snake species have verified records in Weld County, Colorado, of which 1 is venomous.

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

The Prairie Rattlesnake is the most frequently reported snake in Weld County, Colorado, based on verified wildlife observations.

What should I do if I see a venomous snake in Weld 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.

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