List of snakes of Arizona

This is a list of the known snakes of Arizona.^[1] The Arizona State Reptile is the Arizona ridge-nosed rattlesnake (Crotalus willardi willardi).^[2]

Snakes

Non-venomous

• Arizona mountain kingsnake (Lampropeltis pyromelana)
• Banded sand snake (Sonora cincta)
• Big Bend patch-nosed snake (Salvadora deserticola)
• Blackneck garter snake (Thamnophis cyrtopsis)
• California kingsnake (Lampropeltis californiae)
• Checkered garter snake (Thamnophis marcianus)
• Chihuahuan black-headed snake (Tantilla wilcoxi)
• Chihuahuan hook-nosed snake (Gyalopion canum)
• Chihuahuan mountain kingsnake (Lampropeltis knoblochi)
• Chihuahuan nightsnake (Hypsiglena jani)
• Coachwhip (Masticophis flagellum)
• Coastal rosy boa (Lichanura orcutti)
• Colorado Desert shovelnose snake (Sonora annulata) Note: Often lacks red bands
• Desert kingsnake (Lampropeltis splendida)
• Desert nightsnake (Hypsiglena chlorophaea)
• Desert rosy boa (Lichanura trivirgata)
• Eastern patch-nosed snake (Salvadora grahamiae)
• Glossy snake (Arizona elegans)
• Green rat snake (Senticolis triaspis)
• Mexican garter snake (Thamnophis eques)
• Mexican hognose snake (Heterodon kennerlyi)
• Narrowhead garter snake (Thamnophis rufipunctatus)
• Plains black-headed snake (Tantilla nigriceps)
• Saddled leafnose snake (Phyllorhynchus browni)
• Sonoran gopher snake (Pituophis catenifer affinis)
• Sonoran lyre snake (Trimorphodon lambda)
• Sonoran whipsnake (Masticophis bilineatus)
• Southwestern blackhead snake (Tantilla hobartsmithi)
• Spotted leafnose snake (Phyllorhynchus decurtatus)
• Striped whipsnake (Masticophis taeniatus)
• Long-nosed snake (Rhinocheilus lecontei) Note: Often only black and white.
• Western ground snake (Sonora semiannulata) Note: Extremely variable appearance
• Western milk snake (Lampropeltis gentilis)
• Western patch-nosed snake (Salvadora hexilepis)
• Western shovelnose snake (Sonora occipitalis)
• Western terrestrial Garter snake (Thamnophis elegans)
• Western threadsnake (Rena humilis)
• Texas threadsnake (Rena dulcis)
• Thornscrub hook-nosed snake (Gyalopion quadrangulare)
• Thornscrub vine snake (Oxybelis microphthalmus)
• Regal ringneck snake (Diadophis punctatus regalis) Note: This subspecies often lacks ringneck
• Yaqui black-headed snake (Tantilla yaquia)

Venomous

• Arizona black rattlesnake (Crotalus cerberus)
• Arizona ridge-nosed rattlesnake (Crotalus willardi willardi)
• Blacktail rattlesnake (Crotalus molossus)
• Grand Canyon rattlesnake (Crotalus oreganus abyssus)
• Great Basin rattlesnake (Crotalus lutosus)
• Hopi rattlesnake (Crotalus viridis nuntius)
• Mojave rattlesnake (Crotalus scutulatus)
• Rock rattlesnake (Crotalus lepidus)
• Sidewinder rattlesnake (Crotalus cerastes)
• Sonoran coral snake (Micruroides euryxanthus)
• Speckled rattlesnake (Crotalus pyrrhus) Note: Coloration varies between populations
• Tiger rattlesnake (Crotalus tigris)
• Twin-spotted rattlesnake (Crotalus pricei)
• Western diamondback rattlesnake (Crotalus atrox)
• Western massasauga (Sistrurus tergeminus)