When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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When cats are happy, they may squeeze their eyes shut.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A group of kittens is called a "kindle".
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A puppy is born blind, deaf, and toothless.
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One litter of kittens can be produced by more than one father.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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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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