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Reptiles & Amphibians of Yosemite National Park

The reptiles & amphibians most often spotted in Yosemite, ranked by recent research-grade observations.

5,749
recent observations
35
species listed
35
reptiles & amphibians

Naturalists have logged 5,749 research-grade observations across the 35 most-recorded species in Yosemite. The most frequently seen is the Western Fence Lizard, with 1,314 recorded sightings.

Rarer finds confirmed in Yosemite include Yosemite Toad, Sierra Nevada Yellow-legged Frog, California Red-legged Frog and Foothill Yellow-legged Frog - uncommon enough that a sighting is worth logging.

Yosemite ToadSierra Nevada Yellow-legged FrogCalifornia Red-legged FrogFoothill Yellow-legged Frog

Most-observed reptiles & amphibians in Yosemite

Western Fence Lizard
Sceloporus occidentalis
1,314 observations
Pacific Chorus Frog
Pseudacris regilla
1,141 observations
Common Sagebrush Lizard
Sceloporus graciosus
500 observations
Western Rattlesnake
Crotalus oreganus
337 observations
Yosemite Toad
Anaxyrus canorus
313 observations
Sierra Newt
Taricha sierrae
255 observations
Western Terrestrial Garter Snake
Thamnophis elegans
223 observations
California Mountain Kingsnake
Lampropeltis zonata
214 observations
Gilbert's Skink
Plestiodon gilberti
213 observations
Sierra Nevada Yellow-legged Frog
Rana sierrae
197 observations
Northern Alligator Lizard
Elgaria coerulea
155 observations
Sierra Garter Snake
Thamnophis couchii
141 observations
Southern Alligator Lizard
Elgaria multicarinata
107 observations
Ensatina
Ensatina eschscholtzii
94 observations
Northern Rubber Boa
Charina bottae
91 observations
Western Toad
Anaxyrus boreas
90 observations
Gopher Snake
Pituophis catenifer
82 observations
Western Whiptail
Aspidoscelis tigris
79 observations
American Bullfrog
Lithobates catesbeianus
33 observations
Mount Lyell Salamander
Hydromantes platycephalus
29 observations · iNaturalist
Striped Racer
Masticophis lateralis
26 observations
California Red-legged Frog
Rana draytonii
23 observations
Ring-necked Snake
Diadophis punctatus
18 observations
Common Garter Snake
Thamnophis sirtalis
15 observations
Northwestern Pond Turtle
Actinemys marmorata
13 observations
North American Racer
Coluber constrictor
12 observations
Common Sharp-tailed Snake
Contia tenuis
8 observations
Coast Night Snake
Hypsiglena ochrorhynchus
6 observations
Gregarious Slender Salamander
Batrachoseps gregarius
5 observations · iNaturalist
Limestone Salamander
Hydromantes brunus
5 observations · iNaturalist
California King Snake
Lampropeltis californiae
4 observations
Arboreal Salamander
Aneides lugubris
2 observations
Hell Hollow Slender Salamander
Batrachoseps diabolicus
2 observations · iNaturalist
Foothill Yellow-legged Frog
Rana boylii
1 observation
Pond Slider
Trachemys scripta
1 observation

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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