The Explosive, Spiraling, Barbed Penises of Ducks…

…and duck vagina labyrinths that counter them. [VIDEOS INCLUDED] Some human women might like to take a few anatomical tips from these creatures, whose physiology has countermeasures to deny mallards who would decide to take them by force. Whether you believe this is a product of millions of years of evolution or some hilarious Designer, these sex organs are fascinating.

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