Reptiles & Amphibians of Arizona
The reptiles & amphibians most often spotted in Arizona, ranked by recent research-grade observations.
156,492
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 156,492 research-grade observations across the 50 most-recorded species in Arizona. The most frequently seen is the Common Side-blotched Lizard, with 11,876 recorded sightings.
Rarer finds confirmed in Arizona include Regal Horned Lizard and Sonoran Desert Tortoise - uncommon enough that a sighting is worth logging.
Most-observed reptiles & amphibians in Arizona
Common Side-blotched Lizard
Uta stansburiana
11,876 observations
Western Diamond-backed Rattlesnake
Crotalus atrox
11,681 observations
Ornate Tree Lizard
Urosaurus ornatus
11,301 observations
Desert Spiny Lizard
Sceloporus magister
9,895 observations
Gopher Snake
Pituophis catenifer
5,940 observations
Yarrow's Spiny Lizard
Sceloporus jarrovii
5,815 observations
Western Whiptail
Aspidoscelis tigris
5,142 observations
Zebra-tailed Lizard
Callisaurus draconoides
5,105 observations
Sonoran Desert Toad
Incilius alvarius
4,622 observations
Red-spotted Toad
Anaxyrus punctatus
4,591 observations
Plateau Fence Lizard
Sceloporus tristichus
4,433 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
4,287 observations
Clark's Spiny Lizard
Sceloporus clarkii
3,990 observations
Couch's Spadefoot
Scaphiopus couchii
3,509 observations
Western Black-tailed Rattlesnake
Crotalus molossus
3,283 observations
Canyon Tree Frog
Dryophytes arenicolor
3,133 observations
Greater Earless Lizard
Cophosaurus texanus
3,064 observations
Western Banded Gecko
Coleonyx variegatus
2,912 observations
Pond Slider
Trachemys scripta
2,902 observations
Mojave Rattlesnake
Crotalus scutulatus
2,879 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
2,742 observations
Gila Monster
Heloderma suspectum
2,710 observations
Common Chuckwalla
Sauromalus ater
2,518 observations
Regal Horned Lizard
Phrynosoma solare
2,421 observations
American Bullfrog
Lithobates catesbeianus
2,373 observations
Long-nosed Snake
Rhinocheilus lecontei
2,095 observations
Mediterranean House Gecko
Hemidactylus turcicus
1,973 observations
Common Coachwhip
Masticophis flagellum
1,789 observations
Sonoran Desert Tortoise
Gopherus morafkai
1,776 observations
Desert Iguana
Dipsosaurus dorsalis
1,543 observations
California King Snake
Lampropeltis californiae
1,519 observations
Woodhouse's Toad
Anaxyrus woodhousii
1,509 observations
Eastern Collared Lizard
Crotaphytus collaris
1,508 observations
Sidewinder
Crotalus cerastes
1,496 observations
Great Plains Toad
Anaxyrus cognatus
1,484 observations
Madrean Alligator Lizard
Elgaria kingii
1,355 observations
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,351 observations · iNaturalist
Elegant Earless Lizard
Holbrookia elegans
1,350 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
1,273 observations
Desert Nightsnake
Hypsiglena chlorophaea
1,125 observations
Western Terrestrial Garter Snake
Thamnophis elegans
1,089 observations
Striped Plateau Lizard
Sceloporus virgatus
1,078 observations
Southwestern Fence Lizard
Sceloporus cowlesi
1,048 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
1,046 observations
Tiger Rattlesnake
Crotalus tigris
1,030 observations
Ornate Box Turtle
Terrapene ornata
1,016 observations
Chiricahua Leopard Frog
Lithobates chiricahuensis
1,012 observations
Sonoran Mud Turtle
Kinosternon sonoriense
998 observations
Sonoran Whipsnake
Masticophis bilineatus
985 observations
Desert Kingsnake
Lampropeltis splendida
920 observations
Reptiles & Amphibians in nearby places
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