Snakes in Coleman 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.

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

Every snake recorded in Coleman County

Brazos River Watersnake

Nerodia harteri

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Concho Watersnake

Nerodia paucimaculata

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Gopher Snake

Pituophis catenifer

Harmless

North American Racer

Coluber constrictor

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

Texas Blind Snake

Rena dulcis

Harmless

Ground Snake

Sonora semiannulata

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Coleman County: FAQ

Are there venomous snakes in Coleman County, Texas?

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

How many snake species live in Coleman County, Texas?

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

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

The Brazos River Watersnake is the most frequently reported snake in Coleman County, Texas, based on verified wildlife observations.

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