Reptiles & Amphibians of Grand Canyon National Park
The reptiles & amphibians most often spotted in Grand Canyon, ranked by recent research-grade observations.
4,994
recent observations
48
species listed
48
reptiles & amphibians
Naturalists have logged 4,994 research-grade observations across the 48 most-recorded species in Grand Canyon. The most frequently seen is the Plateau Fence Lizard, with 1,039 recorded sightings.
Most-observed reptiles & amphibians in Grand Canyon
Plateau Fence Lizard
Sceloporus tristichus
1,039 observations · iNaturalist
Common Side-blotched Lizard
Uta stansburiana
911 observations
Desert Spiny Lizard
Sceloporus magister
711 observations
Ornate Tree Lizard
Urosaurus ornatus
464 observations
Western Whiptail
Aspidoscelis tigris
270 observations
Greater Short-horned Lizard
Phrynosoma hernandesi
258 observations
Canyon Tree Frog
Dryophytes arenicolor
213 observations · iNaturalist
Western Rattlesnake
Crotalus oreganus
163 observations
Common Sagebrush Lizard
Sceloporus graciosus
162 observations
Red-spotted Toad
Anaxyrus punctatus
157 observations
Desert Collared Lizard
Crotaphytus bicinctores
142 observations · iNaturalist
Gopher Snake
Pituophis catenifer
129 observations
Common Chuckwalla
Sauromalus ater
68 observations
California King Snake
Lampropeltis californiae
45 observations
Woodhouse's Toad
Anaxyrus woodhousii
41 observations
Western Tiger Salamander
Ambystoma mavortium
23 observations · iNaturalist
Striped Whipsnake
Masticophis taeniatus
20 observations
Southwestern Speckled Rattlesnake
Crotalus pyrrhus
20 observations · iNaturalist
Western Terrestrial Garter Snake
Thamnophis elegans
17 observations
Plateau Striped Whiptail
Aspidoscelis velox
17 observations · iNaturalist
Western Banded Gecko
Coleonyx variegatus
14 observations
Ground Snake
Sonora semiannulata
13 observations
Eastern Collared Lizard
Crotaphytus collaris
13 observations
Relict Leopard Frog
Lithobates onca
10 observations · iNaturalist
Western Skink
Plestiodon skiltonianus
8 observations
Arizona Mountain Kingsnake
Lampropeltis pyromelana
8 observations
Desert Nightsnake
Hypsiglena chlorophaea
7 observations · iNaturalist
Western Patch-nosed Snake
Salvadora hexalepis
6 observations
Great Basin Spadefoot
Spea intermontana
5 observations · iNaturalist
Arizona Striped Whiptail
Aspidoscelis arizonae
5 observations · iNaturalist
Desert Horned Lizard
Phrynosoma platyrhinos
5 observations · iNaturalist
Long-nosed Leopard Lizard
Gambelia wislizenii
4 observations
Northern Leopard Frog
Lithobates pipiens
4 observations
Western Black-tailed Rattlesnake
Crotalus molossus
4 observations
Sonoran Lyre Snake
Trimorphodon lambda
2 observations · iNaturalist
Mojave Desert Tortoise
Gopherus agassizii
2 observations
Prairie Rattlesnake
Crotalus viridis
2 observations
Western Threadsnake
Rena humilis
2 observations · iNaturalist
Ring-necked Snake
Diadophis punctatus
1 observation
Black-necked Garter Snake
Thamnophis cyrtopsis
1 observation
Mojave Rattlesnake
Crotalus scutulatus
1 observation
Gila Monster
Heloderma suspectum
1 observation
Western Earless Lizard
Holbrookia maculata
1 observation
Many-lined Skink
Plestiodon multivirgatus
1 observation
Pond Slider
Trachemys scripta
1 observation
Southwestern Fence Lizard
Sceloporus cowlesi
1 observation · iNaturalist
Common Coachwhip
Masticophis flagellum
1 observation
Western Glossy Snake
Arizona occidentalis
1 observation · iNaturalist
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