The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Squirrels forget where they hide about half of their nuts.
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Cats recognise the voice of their owner, but never evolved to care.
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Two dogs were among the Titanic survivors.
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