Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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Cows can sleep standing up, but they can only dream lying down.
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Parrot parents "name" their children with a signature call.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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