Snake FinderField Guide · Worldwide

Arizona

Snakes in Coconino County

39 species have been documented here, 10 of them venomous.

Venomous snakes in Coconino County

Full guide & what to do if bitten →
  • 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 Rattlesnake
    Western Rattlesnake
    Crotalus oreganus
    Venomous

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

  • Arizona Black Rattlesnake
    Arizona Black Rattlesnake
    Crotalus cerberus
    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.

  • 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.

  • Southwestern Speckled Rattlesnake
    Southwestern Speckled Rattlesnake
    Crotalus pyrrhus
    Venomous

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

  • 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.

  • Sidewinder
    Sidewinder
    Crotalus cerastes
    Venomous

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

  • Sonoran Coralsnake
    Sonoran Coralsnake
    Micruroides euryxanthus
    Venomous

    Red, yellow (whitish), and black rings with red touching yellow; blunt black snout.

  • Speckled Rattlesnake
    Speckled Rattlesnake
    Crotalus mitchellii
    Venomous

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

Every snake recorded in Coconino County

Western Terrestrial Garter Snake
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Prairie Rattlesnake
Crotalus viridis
Venomous
Western Rattlesnake
Western Rattlesnake
Crotalus oreganus
Venomous
Narrowhead Garter Snake
Narrowhead Garter Snake
Thamnophis rufipunctatus
Harmless
Arizona Mountain Kingsnake
Arizona Mountain Kingsnake
Lampropeltis pyromelana
Harmless
Arizona Black Rattlesnake
Arizona Black Rattlesnake
Crotalus cerberus
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Striped Whipsnake
Striped Whipsnake
Masticophis taeniatus
Harmless
Ground Snake
Ground Snake
Sonora semiannulata
Harmless
Black-necked Garter Snake
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
California King Snake
California King Snake
Lampropeltis californiae
Harmless
Western Patch-nosed Snake
Western Patch-nosed Snake
Salvadora hexalepis
Harmless
Western Black-tailed Rattlesnake
Western Black-tailed Rattlesnake
Crotalus molossus
Venomous
Desert Nightsnake
Desert Nightsnake
Hypsiglena chlorophaea
Harmless
Sinaloan Nightsnake
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Pine Snake
Pine Snake
Pituophis melanoleucus
Harmless
Glossy Snake
Glossy Snake
Arizona elegans
Harmless
Eastern Kingsnake
Eastern Kingsnake
Lampropeltis getula
Harmless
Mojave Rattlesnake
Mojave Rattlesnake
Crotalus scutulatus
Venomous
Sonoran Lyre Snake
Sonoran Lyre Snake
Trimorphodon lambda
Harmless
Ring-necked Snake
Ring-necked Snake
Diadophis punctatus
Harmless
Long-nosed Snake
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Southwestern Speckled Rattlesnake
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
Venomous
Eastern Milksnake
Eastern Milksnake
Lampropeltis triangulum
Harmless
Western Diamond-backed Rattlesnake
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Western Milksnake
Western Milksnake
Lampropeltis gentilis
Harmless
Southwestern Blackhead Snake
Southwestern Blackhead Snake
Tantilla hobartsmithi
Harmless
Tantilla selmae
Tantilla selmae
Harmless
Common Coachwhip
Common Coachwhip
Masticophis flagellum
Harmless
Checkered Garter Snake
Checkered Garter Snake
Thamnophis marcianus
Harmless
Sidewinder
Sidewinder
Crotalus cerastes
Venomous
Mexican Garter Snake
Mexican Garter Snake
Thamnophis eques
Harmless
Western Threadsnake
Western Threadsnake
Rena humilis
Harmless
Chihuahuan Nightsnake
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Plains Hognose Snake
Plains Hognose Snake
Heterodon nasicus
Harmless
Sonoran Whipsnake
Sonoran Whipsnake
Masticophis bilineatus
Harmless
Sonoran Coralsnake
Sonoran Coralsnake
Micruroides euryxanthus
Venomous
Speckled Rattlesnake
Speckled Rattlesnake
Crotalus mitchellii
Venomous

Compiled from verified GBIF & iNaturalist observations. Informational only.

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