Snakes in Irion 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.

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

Every snake recorded in Irion County

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Common Coachwhip

Masticophis flagellum

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Desert Kingsnake

Lampropeltis splendida

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Ground Snake

Sonora semiannulata

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Southwestern Blackhead Snake

Tantilla hobartsmithi

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Glossy Snake

Arizona elegans

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

Pine Snake

Pituophis melanoleucus

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Irion County: FAQ

Are there venomous snakes in Irion County, Texas?

Yes. 3 venomous snake species have verified records in Irion County, Texas, including Western Diamond-backed Rattlesnake, Northern Cottonmouth, Western Massasauga. Most snakes in Irion County, Texas, however, are harmless.

How many snake species live in Irion County, Texas?

20+ snake species have verified records in Irion County, Texas, of which 3 are venomous.

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

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

What should I do if I see a venomous snake in Irion 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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