Texas
Snakes in Brazos County
30 species have been documented here, 4 of them venomous.
Venomous snakes in Brazos 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.
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Brazos County

Eastern Copperhead
Agkistrodon contortrix
Venomous

Western Ratsnake
Pantherophis obsoletus
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Banded Watersnake
Nerodia fasciata
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Texas Coralsnake
Micrurus tener
Venomous

Timber Rattlesnake
Crotalus horridus
Venomous

Western Milksnake
Lampropeltis gentilis
Harmless

North American Racer
Coluber constrictor
Harmless

Graham's Crawfish Snake
Regina grahamii
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Flat-headed Snake
Tantilla gracilis
Harmless

Mudsnake
Farancia abacura
Harmless

Texas Blind Snake
Rena dulcis
Harmless

Plains Hognose Snake
Heterodon nasicus
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless

Ground Snake
Sonora semiannulata
Harmless

Checkered Garter Snake
Thamnophis marcianus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Brazos County: FAQ
- Are there venomous snakes in Brazos County, Texas?
- Yes. 4 venomous snake species have verified records in Brazos County, Texas, including Eastern Copperhead, Northern Cottonmouth, Texas Coralsnake, Timber Rattlesnake. Most snakes in Brazos County, Texas, however, are harmless.
- How many snake species live in Brazos County, Texas?
- 30+ snake species have verified records in Brazos County, Texas, of which 4 are venomous.
- What is the most commonly seen snake in Brazos County, Texas?
- The Eastern Copperhead is the most frequently reported snake in Brazos County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Brazos 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.