Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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A group of kittens is called a "kindle".
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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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Gorillas can catch human colds and other illnesses.
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Lurch, a Watusi bull, had the largest horns in the world.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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