It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Dolphins have names for one another.
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Cows can sleep standing up, but they can only dream lying down.
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