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tailed frog

a frog, Ascaphus truei, of the northwestern U.S. and adjacent Canada, the male of which has its cloaca modified into a taillike copulatory organ.
Also called bell toad, ribbed toad, tailed toad. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Encyclopedia Article for tailed-frog

tailed frog

(Ascaphus truei), the single species of the frog family Ascaphidae (order Anura). It is restricted to cold, clear forest streams of the Pacific Northwest region of the United States and Canada. It is one of many species that disappears when old-growth forests are cut.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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