Reptiles & Amphibians of Arches National Park
The reptiles & amphibians most often spotted in Arches, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Arches
Common Side-blotched Lizard
Uta stansburiana
726 observations
Western Whiptail
Aspidoscelis tigris
530 observations
Plateau Fence Lizard
Sceloporus tristichus
376 observations · iNaturalist
Long-nosed Leopard Lizard
Gambelia wislizenii
266 observations
Ornate Tree Lizard
Urosaurus ornatus
196 observations
Gopher Snake
Pituophis catenifer
115 observations
Common Sagebrush Lizard
Sceloporus graciosus
93 observations
American Bullfrog
Lithobates catesbeianus
62 observations
Red-spotted Toad
Anaxyrus punctatus
51 observations
Western Rattlesnake
Crotalus oreganus
46 observations
Eastern Collared Lizard
Crotaphytus collaris
40 observations
Striped Whipsnake
Masticophis taeniatus
38 observations
Woodhouse's Toad
Anaxyrus woodhousii
14 observations
Desert Nightsnake
Hypsiglena chlorophaea
7 observations · iNaturalist
Black-necked Garter Snake
Thamnophis cyrtopsis
6 observations
Great Basin Spadefoot
Spea intermontana
5 observations · iNaturalist
Western Terrestrial Garter Snake
Thamnophis elegans
5 observations
Southwestern Blackhead Snake
Tantilla hobartsmithi
2 observations · iNaturalist
Greater Short-horned Lizard
Phrynosoma hernandesi
2 observations
Plateau Striped Whiptail
Aspidoscelis velox
2 observations · iNaturalist
Desert Spiny Lizard
Sceloporus magister
2 observations
Smooth Greensnake
Opheodrys vernalis
1 observation
Canyon Tree Frog
Dryophytes arenicolor
1 observation · iNaturalist