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Reptiles & Amphibians of Yellowstone National Park

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

1,491
recent observations
12
species listed
12
reptiles & amphibians

Naturalists have logged 1,491 research-grade observations across the 12 most-recorded species in Yellowstone. The most frequently seen is the Western Terrestrial Garter Snake, with 455 recorded sightings.

Most-observed reptiles & amphibians in Yellowstone

Western Terrestrial Garter Snake
Thamnophis elegans
455 observations
Columbia Spotted Frog
Rana luteiventris
320 observations
Gopher Snake
Pituophis catenifer
230 observations
Western Toad
Anaxyrus boreas
134 observations
Boreal Chorus Frog
Pseudacris maculata
116 observations
Western Tiger Salamander
Ambystoma mavortium
115 observations
Common Sagebrush Lizard
Sceloporus graciosus
75 observations
Northern Rubber Boa
Charina bottae
16 observations
Plains Spadefoot
Spea bombifrons
13 observations
Prairie Rattlesnake
Crotalus viridis
12 observations
North American Racer
Coluber constrictor
4 observations
Common Garter Snake
Thamnophis sirtalis
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.

Reptiles & Amphibians in nearby places

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