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 couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Dolphins have names for one another.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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A group of kittens is called a "kindle".
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