Snakes in San Augustine 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.

• 
  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 San Augustine County

Western Ratsnake

Pantherophis obsoletus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

North American Racer

Coluber constrictor

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

DeKay's Brownsnake

Storeria dekayi

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Red-bellied Snake

Storeria occipitomaculata

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Glossy Swampsnake

Liodytes rigida

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in San Augustine County: FAQ

Are there venomous snakes in San Augustine County, Texas?

Yes. 3 venomous snake species have verified records in San Augustine County, Texas, including Eastern Copperhead, Northern Cottonmouth, Timber Rattlesnake. Most snakes in San Augustine County, Texas, however, are harmless.

How many snake species live in San Augustine County, Texas?

10+ snake species have verified records in San Augustine County, Texas, of which 3 are venomous.

What is the most commonly seen snake in San Augustine County, Texas?

The Western Ratsnake is the most frequently reported snake in San Augustine County, Texas, based on verified wildlife observations.

What should I do if I see a venomous snake in San Augustine County, Texas?

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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