Sea otters hold hands while sleeping so they don’t drift away from each other.
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A group of kittens is called a "kindle".
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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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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