Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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Dolphins have names for one another.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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When cats are happy, they may squeeze their eyes shut.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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