Snakes in Dallas County

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

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

• 
  Broad-banded Copperhead

  Agkistrodon laticinctus

  ▲ Venomous

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

• 
  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.

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

• 
  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 Dallas County

Rough Earthsnake

Virginia striatula

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Diamondback Watersnake

Nerodia rhombifer

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Western Ribbon Snake

Thamnophis proximus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

North American Racer

Coluber constrictor

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Lined Snake

Tropidoclonion lineatum

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Banded Watersnake

Nerodia fasciata

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Texas Coralsnake

Micrurus tener

▲ Venomous

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Ground Snake

Sonora semiannulata

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Eastern Coralsnake

Micrurus fulvius

▲ Venomous

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Dallas County: FAQ

Are there venomous snakes in Dallas County, Texas?

Yes. 6 venomous snake species have verified records in Dallas County, Texas, including Eastern Copperhead, Broad-banded Copperhead, Western Diamond-backed Rattlesnake, Northern Cottonmouth. Most snakes in Dallas County, Texas, however, are harmless.

How many snake species live in Dallas County, Texas?

30+ snake species have verified records in Dallas County, Texas, of which 6 are venomous.

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

The Rough Earthsnake is the most frequently reported snake in Dallas County, Texas, based on verified wildlife observations.

What should I do if I see a venomous snake in Dallas 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.

Nearby counties