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Ornate Tree Lizard
Urosaurus ornatus
10,274 observations
Western Diamond-backed Rattlesnake
Crotalus atrox
9,772 observations
Common Side-blotched Lizard
Uta stansburiana
9,699 observations
Desert Spiny Lizard
Sceloporus magister
8,610 observations
Gopher Snake
Pituophis catenifer
5,138 observations
Yarrow's Spiny Lizard
Sceloporus jarrovii
5,131 observations
Zebra-tailed Lizard
Callisaurus draconoides
4,310 observations
Western Whiptail
Aspidoscelis tigris
4,168 observations
Plateau Fence Lizard
Sceloporus tristichus
3,955 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
3,799 observations
Clark's Spiny Lizard
Sceloporus clarkii
3,506 observations
Western Black-tailed Rattlesnake
Crotalus molossus
2,807 observations
Pond Slider
Trachemys scripta
2,727 observations
Greater Earless Lizard
Cophosaurus texanus
2,711 observations
Gila Monster
Heloderma suspectum
2,410 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
2,402 observations
Western Banded Gecko
Coleonyx variegatus
2,332 observations
Regal Horned Lizard
Phrynosoma solare
2,197 observations
Mojave Rattlesnake
Crotalus scutulatus
2,150 observations
Long-nosed Snake
Rhinocheilus lecontei
1,771 observations
Mediterranean House Gecko
Hemidactylus turcicus
1,715 observations
Common Chuckwalla
Sauromalus ater
1,697 observations
Sonoran Desert Tortoise
Gopherus morafkai
1,586 observations
Coachwhip
Masticophis flagellum
1,485 observations
Eastern Collared Lizard
Crotaphytus collaris
1,344 observations
California King Snake
Lampropeltis californiae
1,344 observations
Invasive
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,239 observations
Elegant Earless Lizard
Holbrookia elegans
1,189 observations
Madrean Alligator Lizard
Elgaria kingii
1,174 observations
Sidewinder
Crotalus cerastes
1,173 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
1,112 observations
Desert Nightsnake
Hypsiglena chlorophaea
976 observations
Western Terrestrial Garter Snake
Thamnophis elegans
968 observations
Desert Iguana
Dipsosaurus dorsalis
936 observations
Striped Plateau Lizard
Sceloporus virgatus
904 observations
Sonoran Mud Turtle
Kinosternon sonoriense
901 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
890 observations
Tiger Rattlesnake
Crotalus tigris
878 observations
Sonoran Whipsnake
Masticophis bilineatus
870 observations
Southwestern Fence Lizard
Sceloporus cowlesi
855 observations
Ornate Box Turtle
Terrapene ornata
837 observations
Western Patch-nosed Snake
Salvadora hexalepis
806 observations
Desert Kingsnake
Lampropeltis splendida
780 observations
Arizona Black Rattlesnake
Crotalus cerberus
686 observations
Rock Rattlesnake
Crotalus lepidus
685 observations
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
684 observations
Plateau Striped Whiptail
Aspidoscelis velox
617 observations
Sonoran Lyre Snake
Trimorphodon lambda
546 observations
Ground Snake
Sonora semiannulata
539 observations
Sonoran Coralsnake
Micruroides euryxanthus
523 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)
- Gopher Snake (Pituophis catenifer)
- Yarrow's Spiny Lizard (Sceloporus jarrovii)
- 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 10,274 recorded observations.
- Some of the most commonly observed invasive reptiles in Arizona include:
- San Esteban Island × Sonoran Spiny-tailed Iguana (Ctenosaura conspicuosa × macrolopha)