Penguins have a gland above their eye that turns saltwater into freshwater.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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There are approximately three chickens for every human on Earth.
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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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Whales and dolphins can't taste anything other than salt.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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