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

itoggle caption Jim McGuire/UC Berkeley

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

itoggle caption Karen Bleier/AFP/Getty Images