Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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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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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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There's a lizard known as the 'Jesus Lizard' that can run across water.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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