Snakes in McCurtain 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.

• 
  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.

• 
  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.

Every snake recorded in McCurtain County

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Western Ribbon Snake

Thamnophis proximus

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Diamondback Watersnake

Nerodia rhombifer

Harmless

North American Racer

Coluber constrictor

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Mudsnake

Farancia abacura

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Western Worm Snake

Carphophis vermis

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

No photo

Mexican Whip Snake

Masticophis lineatus

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Tantilla selmae

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Red-bellied Snake

Storeria occipitomaculata

Harmless

Ground Snake

Sonora semiannulata

Harmless

Smooth Earthsnake

Virginia valeriae

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

Glossy Swampsnake

Liodytes rigida

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Eastern Milksnake

Lampropeltis triangulum

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Queensnake

Regina septemvittata

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties