When dragonflies mate, their tails form a love heart.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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When cats are happy, they may squeeze their eyes shut.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Baby rabbits are called kittens.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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