Snakes in Saint Tammany 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.

• 
  Texas Coralsnake

  Micrurus tener

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

• 
  Eastern Coralsnake

  Micrurus fulvius

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

Every snake recorded in Saint Tammany County

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Banded Watersnake

Nerodia fasciata

Harmless

North American Racer

Coluber constrictor

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Gray Ratsnake

Pantherophis spiloides

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Mississippi Green Watersnake

Nerodia cyclopion

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Glossy Swampsnake

Liodytes rigida

Harmless

Brown Watersnake

Nerodia taxispilota

Harmless

Mudsnake

Farancia abacura

Harmless

Smooth Earthsnake

Virginia valeriae

Harmless

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Saltmarsh Snake

Nerodia clarkii

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Red-bellied Snake

Storeria occipitomaculata

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Scarletsnake

Cemophora coccinea

Harmless

Pine Woods Littersnake

Rhadinaea flavilata

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Texas Coralsnake

Micrurus tener

▲ Venomous

Eastern Kingsnake

Lampropeltis getula

Harmless

Black Kingsnake

Lampropeltis nigra

Harmless

Eastern Coralsnake

Micrurus fulvius

▲ Venomous

Southeastern Crowned Snake

Tantilla coronata

Harmless

Rainbow Snake

Farancia erytrogramma

Harmless

Tantilla selmae

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Scarlet Kingsnake

Lampropeltis elapsoides

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties