Early American humans hunted car-size armadillos and used their shells for houses.
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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 elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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A puppy is born blind, deaf, and toothless.
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