Snake FinderField Guide · Worldwide

New Mexico

Snakes in Otero County

32 species have been documented here, 7 of them venomous.

Venomous snakes in Otero 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.

  • 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.

  • 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.

  • 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.

  • Western Massasauga
    Western Massasauga
    Sistrurus tergeminus
    Venomous

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

  • 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.

Every snake recorded in Otero County

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Otero County: FAQ

Are there venomous snakes in Otero County, New Mexico?
Yes. 7 venomous snake species have verified records in Otero County, New Mexico, including Western Diamond-backed Rattlesnake, Prairie Rattlesnake, Eastern Black-tailed Rattlesnake, Mojave Rattlesnake. Most snakes in Otero County, New Mexico, however, are harmless.
How many snake species live in Otero County, New Mexico?
30+ snake species have verified records in Otero County, New Mexico, of which 7 are venomous.
What is the most commonly seen snake in Otero County, New Mexico?
The Western Terrestrial Garter Snake is the most frequently reported snake in Otero County, New Mexico, based on verified wildlife observations.
What should I do if I see a venomous snake in Otero County, New Mexico?
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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