Snakes in Cooke County

• 
  Broad-banded Copperhead

  Agkistrodon laticinctus

  ▲ Venomous

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

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

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

• 
  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.

• 
  Pygmy Rattlesnake

  Sistrurus miliarius

  ▲ Venomous

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

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

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

Every snake recorded in Cooke County

Western Ratsnake

Pantherophis obsoletus

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Texas Blind Snake

Rena dulcis

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

North American Racer

Coluber constrictor

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Western Ribbon Snake

Thamnophis proximus

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Ground Snake

Sonora semiannulata

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Lined Snake

Tropidoclonion lineatum

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Cooke County: FAQ

Are there venomous snakes in Cooke County, Texas?

Yes. 6 venomous snake species have verified records in Cooke County, Texas, including Broad-banded Copperhead, Timber Rattlesnake, Western Diamond-backed Rattlesnake, Northern Cottonmouth. Most snakes in Cooke County, Texas, however, are harmless.

How many snake species live in Cooke County, Texas?

20+ snake species have verified records in Cooke County, Texas, of which 6 are venomous.

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

The Western Ratsnake is the most frequently reported snake in Cooke County, Texas, based on verified wildlife observations.

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