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Ornate Tree Lizard
Urosaurus ornatus
10,860 observations
Western Diamond-backed Rattlesnake
Crotalus atrox
10,403 observations
Common Side-blotched Lizard
Uta stansburiana
10,168 observations
Desert Spiny Lizard
Sceloporus magister
9,414 observations
Yarrow's Spiny Lizard
Sceloporus jarrovii
5,479 observations
Gopher Snake
Pituophis catenifer
5,474 observations
Zebra-tailed Lizard
Callisaurus draconoides
4,590 observations
Western Whiptail
Aspidoscelis tigris
4,513 observations
Plateau Fence Lizard
Sceloporus tristichus
4,252 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
4,088 observations
Clark's Spiny Lizard
Sceloporus clarkii
3,821 observations
Greater Earless Lizard
Cophosaurus texanus
2,972 observations
Western Black-tailed Rattlesnake
Crotalus molossus
2,956 observations
Pond Slider
Trachemys scripta
2,822 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
2,607 observations
Gila Monster
Heloderma suspectum
2,585 observations
Western Banded Gecko
Coleonyx variegatus
2,515 observations
Regal Horned Lizard
Phrynosoma solare
2,338 observations
Mojave Rattlesnake
Crotalus scutulatus
2,206 observations
Long-nosed Snake
Rhinocheilus lecontei
1,862 observations
Common Chuckwalla
Sauromalus ater
1,799 observations
Mediterranean House Gecko
Hemidactylus turcicus
1,783 observations
Sonoran Desert Tortoise
Gopherus morafkai
1,656 observations
Common Coachwhip
Masticophis flagellum
1,598 observations
Eastern Collared Lizard
Crotaphytus collaris
1,448 observations
California King Snake
Lampropeltis californiae
1,398 observations
Invasive
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,291 observations
Elegant Earless Lizard
Holbrookia elegans
1,289 observations
Madrean Alligator Lizard
Elgaria kingii
1,254 observations
Sidewinder
Crotalus cerastes
1,198 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
1,176 observations
Desert Nightsnake
Hypsiglena chlorophaea
1,031 observations
Western Terrestrial Garter Snake
Thamnophis elegans
1,030 observations
Striped Plateau Lizard
Sceloporus virgatus
993 observations
Desert Iguana
Dipsosaurus dorsalis
976 observations
Sonoran Mud Turtle
Kinosternon sonoriense
950 observations
Southwestern Fence Lizard
Sceloporus cowlesi
949 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
939 observations
Tiger Rattlesnake
Crotalus tigris
935 observations
Sonoran Whipsnake
Masticophis bilineatus
931 observations
Ornate Box Turtle
Terrapene ornata
878 observations
Western Patch-nosed Snake
Salvadora hexalepis
857 observations
Desert Kingsnake
Lampropeltis splendida
807 observations
Arizona Black Rattlesnake
Crotalus cerberus
733 observations
Rock Rattlesnake
Crotalus lepidus
728 observations
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
707 observations
Plateau Striped Whiptail
Aspidoscelis velox
642 observations
Ground Snake
Sonora semiannulata
594 observations
Sonoran Lyre Snake
Trimorphodon lambda
582 observations
Sonoran Coralsnake
Micruroides euryxanthus
569 observations
Frequently Asked Questions
- The 10 most common reptiles in Arizona are:
- Ornate Tree Lizard (Urosaurus ornatus)
- Western Diamond-backed Rattlesnake (Crotalus atrox)
- Common Side-blotched Lizard (Uta stansburiana)
- Desert Spiny Lizard (Sceloporus magister)
- Yarrow's Spiny Lizard (Sceloporus jarrovii)
- Gopher Snake (Pituophis catenifer)
- Zebra-tailed Lizard (Callisaurus draconoides)
- Western Whiptail (Aspidoscelis tigris)
- Plateau Fence Lizard (Sceloporus tristichus)
- Greater Short-horned Lizard (Phrynosoma hernandesi)
- The most observed reptile in Arizona is Ornate Tree Lizard (Urosaurus ornatus), with 10,860 recorded observations.
- Some of the most commonly observed invasive reptiles in Arizona include:
- San Esteban Island × Sonoran Spiny-tailed Iguana (Ctenosaura conspicuosa × macrolopha)