Early American humans hunted car-size armadillos and used their shells for houses.
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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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Alligators can live up to 100 years.
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When you shave a guinea pig it looks like a little hippo.
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Cats recognise the voice of their owner, but never evolved to care.
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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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Sharks, like other fish, have their reproductive organs in their chests.
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