A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
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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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