Parrot parents "name" their children with a signature call.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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