Snakes in Zapata 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.

• 
  Texas Coralsnake

  Micrurus tener

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

Every snake recorded in Zapata County

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Checkered Garter Snake

Thamnophis marcianus

Harmless

Central American Indigo Snake

Drymarchon melanurus

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Glossy Snake

Arizona elegans

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Ground Snake

Sonora semiannulata

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Schott's Whipsnake

Masticophis schotti

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Texas Coralsnake

Micrurus tener

▲ Venomous

Striped Whipsnake

Masticophis taeniatus

Harmless

Chihuahuan Nightsnake

Hypsiglena jani

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Taylor’s Ground Snake

Sonora taylori

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Zapata County: FAQ

Are there venomous snakes in Zapata County, Texas?

Yes. 2 venomous snake species have verified records in Zapata County, Texas, including Western Diamond-backed Rattlesnake, Texas Coralsnake. Most snakes in Zapata County, Texas, however, are harmless.

How many snake species live in Zapata County, Texas?

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

What is the most commonly seen snake in Zapata County, Texas?

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

What should I do if I see a venomous snake in Zapata County, Texas?

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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