Snakes in Brown County

• 
  Western Diamond-backed Rattlesnake

  Crotalus atrox

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Broad-banded Copperhead

  Agkistrodon laticinctus

  ▲ Venomous

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

Every snake recorded in Brown County

Ground Snake

Sonora semiannulata

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Common Coachwhip

Masticophis flagellum

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Ring-necked Snake

Diadophis punctatus

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Taylor’s Ground Snake

Sonora taylori

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Texas Patch-nosed Snake

Salvadora lineata

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Brown County: FAQ

Are there venomous snakes in Brown County, Texas?

Yes. 2 venomous snake species have verified records in Brown County, Texas, including Western Diamond-backed Rattlesnake, Broad-banded Copperhead. Most snakes in Brown County, Texas, however, are harmless.

How many snake species live in Brown County, Texas?

20+ snake species have verified records in Brown County, Texas, of which 2 are venomous.

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

The Ground Snake is the most frequently reported snake in Brown County, Texas, based on verified wildlife observations.

What should I do if I see a venomous snake in Brown 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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