Reptiles & Amphibians of Gateway Arch National Park
The reptiles & amphibians most often spotted in Gateway Arch, ranked by recent research-grade observations.
Most-observed reptiles & amphibians in Gateway Arch
DeKay's Brownsnake
Storeria dekayi
11 observations
Common Garter Snake
Thamnophis sirtalis
10 observations
Pond Slider
Trachemys scripta
4 observations
Blanchard's Cricket Frog
Acris blanchardi
4 observations · iNaturalist
Western Ratsnake
Pantherophis obsoletus
4 observations
Common Watersnake
Nerodia sipedon
2 observations
Mediterranean House Gecko
Hemidactylus turcicus
2 observations
Fowler's Toad
Anaxyrus fowleri
2 observations
Six-lined Racerunner
Aspidoscelis sexlineatus
2 observations · iNaturalist
Plains Spadefoot
Spea bombifrons
1 observation
North American Racer
Coluber constrictor
1 observation
Eastern Musk Turtle
Sternotherus odoratus
1 observation
Southern Leopard Frog
Lithobates sphenocephalus
1 observation
American Bullfrog
Lithobates catesbeianus
1 observation
Broad-headed Skink
Plestiodon laticeps
1 observation
Brown Anole
Anolis sagrei
1 observation
Gray Treefrog
Dryophytes versicolor
1 observation · iNaturalist
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