Penguins have a gland above their eye that turns saltwater into freshwater.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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Tigers can see 6 times better at night than humans.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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Mosquitoes don't just bite you, they also pee on you.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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