Texas
Snakes in Walker County
20 species have been documented here, 5 of them venomous.
Venomous snakes in Walker County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Walker County

Eastern Copperhead
Agkistrodon contortrix
Venomous

Western Ratsnake
Pantherophis obsoletus
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

North American Racer
Coluber constrictor
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Banded Watersnake
Nerodia fasciata
Harmless

Texas Coralsnake
Micrurus tener
Venomous

Rough Greensnake
Opheodrys aestivus
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Mudsnake
Farancia abacura
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Western Milksnake
Lampropeltis gentilis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Walker County: FAQ
- Are there venomous snakes in Walker County, Texas?
- Yes. 5 venomous snake species have verified records in Walker County, Texas, including Eastern Copperhead, Northern Cottonmouth, Timber Rattlesnake, Texas Coralsnake. Most snakes in Walker County, Texas, however, are harmless.
- How many snake species live in Walker County, Texas?
- 20+ snake species have verified records in Walker County, Texas, of which 5 are venomous.
- What is the most commonly seen snake in Walker County, Texas?
- The Eastern Copperhead is the most frequently reported snake in Walker County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Walker 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.