Snakes in Marshall 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.

• 
  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.

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

Every snake recorded in Marshall County

Diamondback Watersnake

Nerodia rhombifer

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

North American Racer

Coluber constrictor

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Common Coachwhip

Masticophis flagellum

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Ground Snake

Sonora semiannulata

Harmless

Tantilla selmae

Harmless

No photo

Mexican Whip Snake

Masticophis lineatus

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Rough Earthsnake

Virginia striatula

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Ring-necked Snake

Diadophis punctatus

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties