Smithsonian Magazine on MSN
From a Motorcycle Revving to a Pig Oinking, Eight Amazing Sounds Made by Frogs
More than 7,000 species of frogs hop, climb and perch around our world—which means more than 7,000 unique frog calls permeate ...
Researchers have discovered seven new species of frogs in Madagascar and say the high-pitched whistling calls they make are like sound effects from Star Trek. Most people would associate frogs with ...
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