Snakes in Mills 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 Mills County

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Western Ratsnake

Pantherophis obsoletus

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Broad-banded Copperhead

Agkistrodon laticinctus

▲ Venomous

Rough Greensnake

Opheodrys aestivus

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Ground Snake

Sonora semiannulata

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Chihuahuan Nightsnake

Hypsiglena jani

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Texas Patch-nosed Snake

Salvadora lineata

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Mills County: FAQ

Are there venomous snakes in Mills County, Texas?

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

How many snake species live in Mills County, Texas?

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

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

The Western Diamond-backed Rattlesnake is the most frequently reported snake in Mills County, Texas, based on verified wildlife observations.

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