More than 7,000 species of frogs hop, climb and perch around our world—which means more than 7,000 unique frog calls permeate our air. “The diversity of frog sounds is hard to overstate,” says Mark ...

Missouri frogs breed between February and July. Listen to clips from the Missouri Department of Conservation to hear the differences between the breeding calls of 16 frogs and toads. Click on the ...

An international team of researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound ...

copy of tape 747 FW-ASCH-7RR-0747 consists of frog calls which were used in conjunction with a presentation entitled "Amphibean Calls and Their Significance," presented by Charles M. Bogert at an ...