A group of kittens is called a "kindle".
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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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.
8