Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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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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A group of pugs is called a grumble.
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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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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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