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Western Diamond-backed Rattlesnake
Crotalus atrox
11,282 observations
Ornate Tree Lizard
Urosaurus ornatus
11,092 observations
Common Side-blotched Lizard
Uta stansburiana
10,425 observations
Desert Spiny Lizard
Sceloporus magister
9,673 observations
Yarrow's Spiny Lizard
Sceloporus jarrovii
5,784 observations
Gopher Snake
Pituophis catenifer
5,702 observations
Zebra-tailed Lizard
Callisaurus draconoides
4,713 observations
Western Whiptail
Aspidoscelis tigris
4,635 observations
Plateau Fence Lizard
Sceloporus tristichus
4,384 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
4,257 observations
Clark's Spiny Lizard
Sceloporus clarkii
3,957 observations
Western Black-tailed Rattlesnake
Crotalus molossus
3,230 observations
Greater Earless Lizard
Cophosaurus texanus
3,037 observations
Pond Slider
Trachemys scripta
2,878 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
2,707 observations
Gila Monster
Heloderma suspectum
2,686 observations
Western Banded Gecko
Coleonyx variegatus
2,678 observations
Mojave Rattlesnake
Crotalus scutulatus
2,413 observations
Regal Horned Lizard
Phrynosoma solare
2,401 observations
Long-nosed Snake
Rhinocheilus lecontei
1,984 observations
Mediterranean House Gecko
Hemidactylus turcicus
1,892 observations
Common Chuckwalla
Sauromalus ater
1,857 observations
Sonoran Desert Tortoise
Gopherus morafkai
1,748 observations
Common Coachwhip
Masticophis flagellum
1,679 observations
Eastern Collared Lizard
Crotaphytus collaris
1,490 observations
California King Snake
Lampropeltis californiae
1,462 observations
Elegant Earless Lizard
Holbrookia elegans
1,360 observations
Invasive
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,339 observations
Madrean Alligator Lizard
Elgaria kingii
1,328 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
1,256 observations
Sidewinder
Crotalus cerastes
1,252 observations
Desert Nightsnake
Hypsiglena chlorophaea
1,093 observations
Western Terrestrial Garter Snake
Thamnophis elegans
1,070 observations
Striped Plateau Lizard
Sceloporus virgatus
1,055 observations
Tiger Rattlesnake
Crotalus tigris
1,029 observations
Desert Iguana
Dipsosaurus dorsalis
1,013 observations
Southwestern Fence Lizard
Sceloporus cowlesi
998 observations
Sonoran Whipsnake
Masticophis bilineatus
981 observations
Sonoran Mud Turtle
Kinosternon sonoriense
975 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
965 observations
Ornate Box Turtle
Terrapene ornata
946 observations
Western Patch-nosed Snake
Salvadora hexalepis
866 observations
Desert Kingsnake
Lampropeltis splendida
842 observations
Rock Rattlesnake
Crotalus lepidus
810 observations
Arizona Black Rattlesnake
Crotalus cerberus
778 observations
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
724 observations
Plateau Striped Whiptail
Aspidoscelis velox
670 observations
Sonoran Lyre Snake
Trimorphodon lambda
623 observations
Sonoran Coralsnake
Micruroides euryxanthus
607 observations
Ground Snake
Sonora semiannulata
601 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 11,282 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)