Snakes in Parker County

• 
  Broad-banded Copperhead

  Agkistrodon laticinctus

  ▲ Venomous

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

• 
  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.

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

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

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

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

• 
  Eastern Massasauga

  Sistrurus catenatus

  ▲ Venomous

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

Every snake recorded in Parker County

Western Ratsnake

Pantherophis obsoletus

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Western Ribbon Snake

Thamnophis proximus

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

DeKay's Brownsnake

Storeria dekayi

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Brazos River Watersnake

Nerodia harteri

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

North American Racer

Coluber constrictor

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Ground Snake

Sonora semiannulata

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Texas Patch-nosed Snake

Salvadora lineata

Harmless

Eastern Massasauga

Sistrurus catenatus

▲ Venomous

Graham's Crawfish Snake

Regina grahamii

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Taylor’s Ground Snake

Sonora taylori

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Glossy Snake

Arizona elegans

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Parker County: FAQ

Are there venomous snakes in Parker County, Texas?

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

How many snake species live in Parker County, Texas?

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

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

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

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