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Texas

Snakes in Pecos County

44 species have been documented here, 9 of them venomous.

Venomous snakes in Pecos County

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  • Western Diamond-backed Rattlesnake
    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.

  • Eastern Black-tailed Rattlesnake
    Eastern Black-tailed Rattlesnake
    Crotalus ornatus
    Venomous

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

  • Mojave Rattlesnake
    Mojave Rattlesnake
    Crotalus scutulatus
    Venomous

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

  • Rock Rattlesnake
    Rock Rattlesnake
    Crotalus lepidus
    Venomous

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

  • Broad-banded Copperhead
    Broad-banded Copperhead
    Agkistrodon laticinctus
    Venomous

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

  • Prairie Rattlesnake
    Prairie Rattlesnake
    Crotalus viridis
    Venomous

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

  • Western Black-tailed Rattlesnake
    Western Black-tailed Rattlesnake
    Crotalus molossus
    Venomous

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

  • Eastern Copperhead
    Eastern Copperhead
    Agkistrodon contortrix
    Venomous

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

  • Eastern Massasauga
    Eastern Massasauga
    Sistrurus catenatus
    Venomous

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

Every snake recorded in Pecos County

Western Diamond-backed Rattlesnake
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Coachwhip
Common Coachwhip
Masticophis flagellum
Harmless
Gopher Snake
Gopher Snake
Pituophis catenifer
Harmless
Long-nosed Snake
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Eastern Black-tailed Rattlesnake
Eastern Black-tailed Rattlesnake
Crotalus ornatus
Venomous
Mojave Rattlesnake
Mojave Rattlesnake
Crotalus scutulatus
Venomous
Gray-banded Kingsnake
Gray-banded Kingsnake
Lampropeltis alterna
Harmless
Chihuahuan Nightsnake
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Great Plains Ratsnake
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Glossy Snake
Glossy Snake
Arizona elegans
Harmless
Rock Rattlesnake
Rock Rattlesnake
Crotalus lepidus
Venomous
Trans-pecos Ratsnake
Trans-pecos Ratsnake
Bogertophis subocularis
Harmless
Tantilla selmae
Tantilla selmae
Harmless
Chihuahuan Hook-nosed Snake
Chihuahuan Hook-nosed Snake
Gyalopion canum
Harmless
Broad-banded Copperhead
Broad-banded Copperhead
Agkistrodon laticinctus
Venomous
Western Ribbon Snake
Western Ribbon Snake
Thamnophis proximus
Harmless
Mexican Hognose Snake
Mexican Hognose Snake
Heterodon kennerlyi
Harmless
Striped Whipsnake
Striped Whipsnake
Masticophis taeniatus
Harmless
Desert Kingsnake
Desert Kingsnake
Lampropeltis splendida
Harmless
Rough Greensnake
Rough Greensnake
Opheodrys aestivus
Harmless
Southwestern Blackhead Snake
Southwestern Blackhead Snake
Tantilla hobartsmithi
Harmless
Checkered Garter Snake
Checkered Garter Snake
Thamnophis marcianus
Harmless
Eastern Kingsnake
Eastern Kingsnake
Lampropeltis getula
Harmless
Prairie Rattlesnake
Prairie Rattlesnake
Crotalus viridis
Venomous
Great Plains Ground Snake
Great Plains Ground Snake
Sonora episcopa
Harmless
Big Bend Blackhead Snake
Big Bend Blackhead Snake
Tantilla cucullata
Harmless
Plains Black-headed Snake
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Ring-necked Snake
Ring-necked Snake
Diadophis punctatus
Harmless
Plain-bellied Watersnake
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Red Cornsnake
Red Cornsnake
Pantherophis guttatus
Harmless
Western Black-tailed Rattlesnake
Western Black-tailed Rattlesnake
Crotalus molossus
Venomous
Sinaloan Nightsnake
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Black-necked Garter Snake
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Texas Blind Snake
Texas Blind Snake
Rena dulcis
Harmless
Western Milksnake
Western Milksnake
Lampropeltis gentilis
Harmless
Plains Hognose Snake
Plains Hognose Snake
Heterodon nasicus
Harmless
Pine Snake
Pine Snake
Pituophis melanoleucus
Harmless
Eastern Copperhead
Eastern Copperhead
Agkistrodon contortrix
Venomous
North American Racer
North American Racer
Coluber constrictor
Harmless
Eastern Massasauga
Eastern Massasauga
Sistrurus catenatus
Venomous
Ground Snake
Ground Snake
Sonora semiannulata
Harmless
Western Ratsnake
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Milksnake
Eastern Milksnake
Lampropeltis triangulum
Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

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