A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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Lobsters have blue blood.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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