Snakes in Bryan County

• 
  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.

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

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

• 
  Broad-banded Copperhead

  Agkistrodon laticinctus

  ▲ Venomous

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

Every snake recorded in Bryan County

Rough Greensnake

Opheodrys aestivus

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

North American Racer

Coluber constrictor

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Eastern Kingsnake

Lampropeltis getula

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Bryan County: FAQ

Are there venomous snakes in Bryan County, Oklahoma?

Yes. 4 venomous snake species have verified records in Bryan County, Oklahoma, including Northern Cottonmouth, Eastern Copperhead, Timber Rattlesnake, Broad-banded Copperhead. Most snakes in Bryan County, Oklahoma, however, are harmless.

How many snake species live in Bryan County, Oklahoma?

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

What is the most commonly seen snake in Bryan County, Oklahoma?

The Rough Greensnake is the most frequently reported snake in Bryan County, Oklahoma, based on verified wildlife observations.

What should I do if I see a venomous snake in Bryan County, Oklahoma?

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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