The scientist traipses to a pond wearing rubber boots but he doesn’t enter the water. Instead, Brad Hollingsworth squats next to its swampy edge and retrieves a recording device the size of a deck of ...
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 ...
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