Snakes in Guadalupe County

• 
  Western Diamond-backed Rattlesnake

  Crotalus atrox

  ▲ Venomous

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

• 
  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 Guadalupe County

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Common Coachwhip

Masticophis flagellum

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Pine Snake

Pituophis melanoleucus

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Ground Snake

Sonora semiannulata

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Black-necked Garter Snake

Thamnophis cyrtopsis

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

Eastern Kingsnake

Lampropeltis getula

Harmless

Striped Whipsnake

Masticophis taeniatus

Harmless

Glossy Snake

Arizona elegans

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Guadalupe County: FAQ

Are there venomous snakes in Guadalupe County, New Mexico?

Yes. 3 venomous snake species have verified records in Guadalupe County, New Mexico, including Western Diamond-backed Rattlesnake, Prairie Rattlesnake, Western Massasauga. Most snakes in Guadalupe County, New Mexico, however, are harmless.

How many snake species live in Guadalupe County, New Mexico?

10+ snake species have verified records in Guadalupe County, New Mexico, of which 3 are venomous.

What is the most commonly seen snake in Guadalupe County, New Mexico?

The Western Diamond-backed Rattlesnake is the most frequently reported snake in Guadalupe County, New Mexico, based on verified wildlife observations.

What should I do if I see a venomous snake in Guadalupe County, New Mexico?

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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