Penguins have a gland above their eye that turns saltwater into freshwater.
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Whales and dolphins can't taste anything other than salt.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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