Sea otters hold hands while sleeping so they don’t drift away from each other.
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Some British police cars carry a teddy bear to console children after an accident.
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A group of kittens is called a "kindle".
10
When dragonflies mate, their tails form a love heart.
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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.
26