Reptiles & Amphibians of Saguaro National Park
The reptiles & amphibians most often spotted in Saguaro, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Saguaro
Desert Spiny Lizard
Sceloporus magister
4,323 observations
Western Diamond-backed Rattlesnake
Crotalus atrox
2,921 observations
Ornate Tree Lizard
Urosaurus ornatus
2,494 observations
Zebra-tailed Lizard
Callisaurus draconoides
2,436 observations
Common Side-blotched Lizard
Uta stansburiana
1,859 observations
Red-spotted Toad
Anaxyrus punctatus
1,439 observations
Pond Slider
Trachemys scripta
1,402 observations
Sonoran Desert Toad
Incilius alvarius
1,376 observations
San Esteban Island × Sonoran Spiny-tailed Iguana
Ctenosaura conspicuosa × macrolopha
1,280 observations · iNaturalist
Western Whiptail
Aspidoscelis tigris
1,220 observations
Greater Earless Lizard
Cophosaurus texanus
1,097 observations
Canyon Tree Frog
Dryophytes arenicolor
1,035 observations · iNaturalist
Gopher Snake
Pituophis catenifer
982 observations
Gila Monster
Heloderma suspectum
893 observations
Regal Horned Lizard
Phrynosoma solare
874 observations · iNaturalist
Couch's Spadefoot
Scaphiopus couchii
839 observations · iNaturalist
American Bullfrog
Lithobates catesbeianus
824 observations
Sonoran Spotted Whiptail
Aspidoscelis sonorae
785 observations · iNaturalist
Clark's Spiny Lizard
Sceloporus clarkii
782 observations
Western Banded Gecko
Coleonyx variegatus
744 observations
Mediterranean House Gecko
Hemidactylus turcicus
641 observations
Sonoran Desert Tortoise
Gopherus morafkai
637 observations · iNaturalist
Greater Short-horned Lizard
Phrynosoma hernandesi
618 observations
Southwestern Fence Lizard
Sceloporus cowlesi
564 observations · iNaturalist
Long-nosed Snake
Rhinocheilus lecontei
531 observations
Common Coachwhip
Masticophis flagellum
410 observations
Black-necked Garter Snake
Thamnophis cyrtopsis
386 observations
Tiger Rattlesnake
Crotalus tigris
370 observations
Western Black-tailed Rattlesnake
Crotalus molossus
359 observations
Desert Kingsnake
Lampropeltis splendida
299 observations · iNaturalist
California King Snake
Lampropeltis californiae
278 observations
Desert Nightsnake
Hypsiglena chlorophaea
274 observations · iNaturalist
Desert Iguana
Dipsosaurus dorsalis
272 observations
Sonoran Whipsnake
Masticophis bilineatus
217 observations · iNaturalist
Arizona Black Rattlesnake
Crotalus cerberus
175 observations · iNaturalist
Sonoran Mud Turtle
Kinosternon sonoriense
166 observations
Eastern Collared Lizard
Crotaphytus collaris
161 observations
Sonoran Coralsnake
Micruroides euryxanthus
153 observations
Western Threadsnake
Rena humilis
151 observations · iNaturalist
Great Plains Toad
Anaxyrus cognatus
149 observations
Banded Sand Snake
Sonora cincta
146 observations · iNaturalist
Checkered Garter Snake
Thamnophis marcianus
128 observations · iNaturalist
Spiny Softshell
Apalone spinifera
126 observations
Sonoran Lyre Snake
Trimorphodon lambda
114 observations · iNaturalist
Lowland Leopard Frog
Lithobates yavapaiensis
107 observations · iNaturalist
Mojave Rattlesnake
Crotalus scutulatus
99 observations
Western Patch-nosed Snake
Salvadora hexalepis
90 observations
Desert Grassland Whiptail
Aspidoscelis uniparens
88 observations
Giant Spotted Whiptail
Aspidoscelis stictogrammus
87 observations · iNaturalist
Elegant Earless Lizard
Holbrookia elegans
81 observations · iNaturalist