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 ...
STORY: Do these pigs sound happy or sad? European scientists have developed an artificial intelligence algorithm capable of finding out. Their goal is to create a tool that can decode pigs' calls and ...
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