Male and female tungara frogs. Among these frogs, the guy with the best call usually wins the gal — except when you throw a third-choice loser into the mix. Alexander T. Baugh/Encyclopedia of Life hide caption

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Froggy Went A-Courtin', But Lady Frogs Chose Second-Best Guy Instead

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The newly described L. larvaepartus (male, left, and female) from Indonesia's island of Sulawesi. Odd, sure, but at least they don't use their stomachs as breeding chambers, as some other frogs do. Jim McGuire/UC Berkeley hide caption

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These Froggies Went A Courtin' And Gave Birth To Live Tadpoles

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Populations of frogs and other amphibians are declining at an average rate of 3.7 percent each year, according to a new U.S. Geological Survey study. Karen Bleier/AFP/Getty Images hide caption

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