Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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