Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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The seahorse is the only fish to have a neck.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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