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Western Diamond-backed Rattlesnake
Crotalus atrox
11,667 observations
Ornate Tree Lizard
Urosaurus ornatus
11,265 observations
Common Side-blotched Lizard
Uta stansburiana
10,851 observations
Desert Spiny Lizard
Sceloporus magister
9,829 observations
Yarrow's Spiny Lizard
Sceloporus jarrovii
5,848 observations
Gopher Snake
Pituophis catenifer
5,844 observations
Zebra-tailed Lizard
Callisaurus draconoides
4,781 observations
Western Whiptail
Aspidoscelis tigris
4,758 observations
Plateau Fence Lizard
Sceloporus tristichus
4,506 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
4,382 observations
Clark's Spiny Lizard
Sceloporus clarkii
4,016 observations
Western Black-tailed Rattlesnake
Crotalus molossus
3,327 observations
Greater Earless Lizard
Cophosaurus texanus
3,076 observations
Pond Slider
Trachemys scripta
2,937 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
2,806 observations
Western Banded Gecko
Coleonyx variegatus
2,778 observations
Gila Monster
Heloderma suspectum
2,730 observations
Regal Horned Lizard
Phrynosoma solare
2,483 observations
Mojave Rattlesnake
Crotalus scutulatus
2,478 observations
Long-nosed Snake
Rhinocheilus lecontei
2,019 observations
Mediterranean House Gecko
Hemidactylus turcicus
1,971 observations
Sonoran Desert Tortoise
Gopherus morafkai
1,885 observations
Common Chuckwalla
Sauromalus ater
1,883 observations
Desert Coachwhip
Masticophis piceus
1,569 observations
Eastern Collared Lizard
Crotaphytus collaris
1,502 observations
California King Snake
Lampropeltis californiae
1,495 observations
Invasive
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,388 observations
Elegant Earless Lizard
Holbrookia elegans
1,378 observations
Madrean Alligator Lizard
Elgaria kingii
1,370 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
1,301 observations
Sidewinder
Crotalus cerastes
1,270 observations
Desert Nightsnake
Hypsiglena chlorophaea
1,145 observations
Western Terrestrial Garter Snake
Thamnophis elegans
1,086 observations
Striped Plateau Lizard
Sceloporus virgatus
1,067 observations
Tiger Rattlesnake
Crotalus tigris
1,063 observations
Desert Iguana
Dipsosaurus dorsalis
1,022 observations
Southwestern Fence Lizard
Sceloporus cowlesi
1,013 observations
Sonoran Whipsnake
Masticophis bilineatus
1,010 observations
Sonoran Mud Turtle
Kinosternon sonoriense
990 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
987 observations
Ornate Box Turtle
Terrapene ornata
978 observations
Western Patch-nosed Snake
Salvadora hexalepis
891 observations
Desert Kingsnake
Lampropeltis splendida
862 observations
Rock Rattlesnake
Crotalus lepidus
833 observations
Arizona Black Rattlesnake
Crotalus cerberus
797 observations
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
736 observations
Keeled Rock Gecko
Cyrtopodion scabrum
696 observations
Plateau Striped Whiptail
Aspidoscelis velox
689 observations
Sonoran Lyre Snake
Trimorphodon lambda
633 observations
Sonoran Coralsnake
Micruroides euryxanthus
626 observations
Frequently Asked Questions
- The 10 most common reptiles in Arizona are:
- Western Diamond-backed Rattlesnake (Crotalus atrox)
- Ornate Tree Lizard (Urosaurus ornatus)
- 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 Western Diamond-backed Rattlesnake (Crotalus atrox), with 11,667 recorded observations.
- Some of the most commonly observed invasive reptiles in Arizona include:
- San Esteban Island × Sonoran Spiny-tailed Iguana (Ctenosaura conspicuosa × macrolopha)
- Some of the most commonly observed native reptiles in Arizona include:
- Yarrow's Spiny Lizard (Sceloporus jarrovii)
- Sonoran Spotted Whiptail (Aspidoscelis sonorae)
- Regal Horned Lizard (Phrynosoma solare)
- Madrean Alligator Lizard (Elgaria kingii)
- Striped Plateau Lizard (Sceloporus virgatus)