A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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When cats are happy, they may squeeze their eyes shut.
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Dolphins have names for one another.
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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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