The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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