A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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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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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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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.
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Cats recognise the voice of their owner, but never evolved to care.
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One in three dog owners say they have talked to their pets on the phone.
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