Snakes in Washington County

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

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

• 
  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.

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

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

Every snake recorded in Washington County

Ring-necked Snake

Diadophis punctatus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Western Worm Snake

Carphophis vermis

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Prairie Kingsnake

Lampropeltis calligaster

Harmless

North American Racer

Coluber constrictor

Harmless

Red-bellied Snake

Storeria occipitomaculata

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Smooth Earthsnake

Virginia valeriae

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Western Milksnake

Lampropeltis gentilis

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Washington County: FAQ

Are there venomous snakes in Washington County, Arkansas?

Yes. 4 venomous snake species have verified records in Washington County, Arkansas, including Eastern Copperhead, Northern Cottonmouth, Pygmy Rattlesnake, Timber Rattlesnake. Most snakes in Washington County, Arkansas, however, are harmless.

How many snake species live in Washington County, Arkansas?

20+ snake species have verified records in Washington County, Arkansas, of which 4 are venomous.

What is the most commonly seen snake in Washington County, Arkansas?

The Ring-necked Snake is the most frequently reported snake in Washington County, Arkansas, based on verified wildlife observations.

What should I do if I see a venomous snake in Washington County, Arkansas?

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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