15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Early American humans hunted car-size armadillos and used their shells for houses.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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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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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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