Cover Image: February 2003 Scientific American Magazine See Inside

Explaining Frog Deformities: Overview / Amphibian Ailments [Preview]

By Andrew R. Blaustein and Pieter T.J. Johnson















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  • Since the mid-1990s striking deformities have turned up in more than 60 species of frogs, toads and salamanders in 46 states and on four continents. The number of disfigured animals in some populations averages around 25 percent--significantly higher than in previous decades.


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