The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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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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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Female kangaroos have three vaginas.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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