The ancestor of all domestic cats is the African Wild Cat which still exists today.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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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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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Bats sleep 18-20 hours per day.
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