Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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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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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Cats recognise the voice of their owner, but never evolved to care.
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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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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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