Snake FinderField Guide · Worldwide

Texas

Snakes in Starr County

37 species have been documented here, 3 of them venomous.

Venomous snakes in Starr County

Full guide & what to do if bitten →
  • 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.

  • Texas Coralsnake
    Texas Coralsnake
    Micrurus tener
    Venomous

    Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

  • Western Massasauga
    Western Massasauga
    Sistrurus tergeminus
    Venomous

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

Every snake recorded in Starr County

Western Diamond-backed Rattlesnake
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Checkered Garter Snake
Checkered Garter Snake
Thamnophis marcianus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Coachwhip
Common Coachwhip
Masticophis flagellum
Harmless
Central American Indigo Snake
Central American Indigo Snake
Drymarchon melanurus
Harmless
Great Plains Ratsnake
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Gopher Snake
Gopher Snake
Pituophis catenifer
Harmless
Long-nosed Snake
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Glossy Snake
Glossy Snake
Arizona elegans
Harmless
Western Ribbon Snake
Western Ribbon Snake
Thamnophis proximus
Harmless
Taylor’s Ground Snake
Taylor’s Ground Snake
Sonora taylori
Harmless
Tantilla selmae
Tantilla selmae
Harmless
Plains Black-headed Snake
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Schott's Whipsnake
Schott's Whipsnake
Masticophis schotti
Harmless
Texas Patch-nosed Snake
Texas Patch-nosed Snake
Salvadora lineata
Harmless
Chihuahuan Nightsnake
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Tamaulipan Hook-nosed Snake
Tamaulipan Hook-nosed Snake
Ficimia streckeri
Harmless
Texas Blind Snake
Texas Blind Snake
Rena dulcis
Harmless
DeKay's Brownsnake
DeKay's Brownsnake
Storeria dekayi
Harmless
Diamondback Watersnake
Diamondback Watersnake
Nerodia rhombifer
Harmless
Texas Coralsnake
Texas Coralsnake
Micrurus tener
Venomous
Ground Snake
Ground Snake
Sonora semiannulata
Harmless
Mexican Hognose Snake
Mexican Hognose Snake
Heterodon kennerlyi
Harmless
Tamaulipan Milksnake
Tamaulipan Milksnake
Lampropeltis annulata
Harmless
Eastern Milksnake
Eastern Milksnake
Lampropeltis triangulum
Harmless
Desert Kingsnake
Desert Kingsnake
Lampropeltis splendida
Harmless
Northern Cat-eyed Snake
Northern Cat-eyed Snake
Leptodeira septentrionalis
Harmless
Sinaloan Nightsnake
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Yellow-tailed Indigo Snake
Yellow-tailed Indigo Snake
Drymarchon corais
Harmless
Paraiba Cat-eyed Snake
Paraiba Cat-eyed Snake
Leptodeira tarairiu
Harmless
Flat-headed Snake
Flat-headed Snake
Tantilla gracilis
Harmless
Red Cornsnake
Red Cornsnake
Pantherophis guttatus
Harmless
Brahminy Blindsnake
Brahminy Blindsnake
Indotyphlops braminus
Harmless
Eastern Kingsnake
Eastern Kingsnake
Lampropeltis getula
Harmless
Western Massasauga
Western Massasauga
Sistrurus tergeminus
Venomous
Plains Hognose Snake
Plains Hognose Snake
Heterodon nasicus
Harmless
Black-striped Snake
Black-striped Snake
Coniophanes imperialis
Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties