Arizona

Venomous:

• Western Diamondback Rattlesnake (Crotalus atrox)-Venomous

• Sonoran Sidewinder (Crotalus cerastes cercobombus)-Venomous

• Colorado Desert Sidewinder (Crotalus cerastes laterorepens )-Venomous

• Arizona Black Rattlesnake (Crotalus cerberus)-Venomous 

• Northern Black-tailed Rattlesnake (Crotalus molossus molossus)-Venomous

• Grand Canyon Rattlesnake (Crotalus oreganus abyssus)-Venomous

• Great Basin Rattlesnake (Crotalus oreganus lutosus)-Venomous

• Western Twin-spotted Rattlesnake (Crotalus pricei pricei)-Venomous

• Southwestern Speckled Rattlesnake (Crotalus pyrrhus)-Venomous

• Northern Mohave Rattlesnake (Crotalus scutulatus scutulatus)-Venomous

• Tiger Rattlesnake (Crotalus tigris)-Venomous

• Hopi Rattlesnake (Crotalus viridis nuntius)-Venomous

• Prairie Rattlesnake (Crotalus viridis viridis)-Venomous

• New Mexico Ridge-nosed Rattlesnake (Crotalus willardi obscurus)-Venomous

• Arizona Ridge-nosed Rattlesnake (Crotalus willardi willardi )-Venomous

• Arizona Coral Snake (Micruroides euryxantha euryxantha)-Venomous

• Desert Massasauga (Sistrurus catenatus edwardsi)-Venomous

Non-venomous:

• Arizona Glossy Snake (Arizona elegans noctivaga)

• Painted Desert Glossy Snake (Arizona elegans philipi)

• Variable Sand Snake (Chilomeniscus stramineus )

• Colorado Desert Shovel-nosed Snake (Chionactis annulata)

• Tucson Shovel-nosed Snake (Chionactis occipitalis klauberi)

• Mojave Shovel-nosed Snake (Chionactis occipitalis occipitalis )

• Organ Pipe Shovel-nosed Snake (Chionactis palarostris organica)

• Western Yellow-bellied Racer (Coluber constrictor mormon)

• Regal Ring-necked Snake (Diadophis punctatus regalis)

• Chihuahuan Hook-nosed Snake (Gyalopion canum)

• Thornscrub Hook-nosed Snake (Gyalopion quadrangulare)

• Mexican Hognose Snake (Heterodon kennerlyi)

• Sonoran Night Snake (Hypsiglena chlorophaea chlorophaea)

• Northern Desert Night Snake (Hypsiglena chlorophaea deserticola)

• Mesa Verde Night Snake (Hypsiglena chlorophaea loreala )

• California Kingsnake (Lampropeltis californiae)

• Mexican Black Kingsnake (Lampropeltis getula nigrita)

• Desert Kingsnake (Lampropeltis getula desert)

• Utah Mountain Kingsnake (Lampropeltis pyromelana infralabialis)

• Arizona Mountain Kingsnake (Lampropeltis pyromelana pyromelana)

• Northern Three Lined Boa (Lichanura orcutt)

• Sonoran Whipsnake (Masticophis bilineatus)

• Sonoran Coachwhip (Masticophis cingulum)

• Lined Coachwhip Snake (Masticophis lineatulus)

• Red Racer (Masticophis flagellum piceus)

• Desert Striped Whipsnake (Masticophis taeniatus taeniatus)

• Brown Vinesnake (Oxybelis aeneus)

• Saddled Leaf-nosed Snake (Phyllorhynchus browni)

• Spotted Leaf-nosed Snake (Phyllorhynchus decurtatus)

• Sonoran Gopher Snake (Pituophis catenifer affinis)

• Great Basin Gopher Snake (Pituophis catenifer deserticola )

• Plains Blind Snake (Rena dulcis dulcis)

• Western Blind Snake (Rena humilus humilus)

• Long-nosed Snake (Rhinocheilus lecontei)

• Mountain Patch-nosed Snake (Salvadora grahamiae grahamiae)

• Big Bend Patch-nosed Snake (Salvadora hexalepis deserticola)

• Desert Patch-nosed Snake (Salvadora hexalepis hexalepis)

• Northern Green Rat Snake (Senticolis triaspis intermedia)

• Western Ground Snake (Sonora semiannulata)

• Southwestern Black-headed Snake (Tantilla hobartsmithi)

• Plains Black-headed Snake (Tantilla nigriceps)

• Chihuahuan Black-headed Snake (Tantilla wilcoxi)

• Yaquia Black-headed Snake (Tantilla yaquia)

• Western Black-necked Garter Snake (Thamnophis cyrtopsis cyrtopsis)

• Wandering Garter Snake (Thamnophis elegans vagrans)

• Northern Mexican Garter Snake (Thamnophis eques megalops)

• Checkered Garter Snake (Thamnophis marcianus marcianus)

• Narrow-headed Garter Snake (Thamnophis rufipunctatus)

• Sonoran Lyresnake (Trimorphodon lambda)