Early American humans hunted car-size armadillos and used their shells for houses.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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