The ancestor of all domestic cats is the African Wild Cat which still exists today.
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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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Domestic pigs average a top speed of about 11 miles per hour.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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