The ancestor of all domestic cats is the African Wild Cat which still exists today.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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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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Dogs have been man's pet for over 14,000 years.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Squirrels forget where they hide about half of their nuts.
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