Amphibians of Yellowstone National Park
|Amphibians of Yellowstone National Park|
|Blotched Tiger Salamander||Boreal Chorus Frog||Boreal Toad||Spotted Frog|
Blotched Tiger Salamander
|Blotched Tiger Salamander|
|Ambystoma tigrinum melanostictum|
The Blotched Tiger Salamander has smooth nonscaly skin, clawless toes, and relatively slow movement. The adults generally have a dark ground color with lighter marbled color patterns along the back and the sides. This species is common where found and is widely distributed throughout Yellowstone.
Boreal Chorus Frog
|Boreal Chorus Frog|
|Pseudacris triseriata maculata|
The adult Boreal Chorus Frog are small in size, small toe discs, or pads, on the ends of the toes, relative lack of webbing on the hind feet, and the characteristic three stripes running down the back. They are common and widespread throughout the park.
|Bufo boreas boreas|
The adult Boreal Toad has warty skin (with prominent parotoid glands behind each eye), light brown color, and white strip running down the length of the back. They travel in short hops and can often be found far from surface water.
Adult Spotted Frogs have large, fully webbed hind feet, pointed snout, skin with black spots that are sometimes raised, and salmon-colored underside. They frequently leap from a grassy stream bank into nearby water for refuge with a loud "kerplunk" as a person passes by. The distribution is widespread in the park.
Information from the book: "Amphibians & Reptiles of Yellowstone and Grand Teton National Parks" by Edward D. Koch and Charles R. Peterson. Utilized with permission.
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