Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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A dork is a whale's penis.
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The oldest recorded elephant lived for 82 years.
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Sharks, like other fish, have their reproductive organs in their chests.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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