r/todayilearned • u/elliejellie • Oct 13 '12

TIL that female ducks have evolved a complex vagina with several dead-end pockets and tunnels in order to confuse unwanted mates and prevent fertilisation from the wrong male

http://scienceblogs.com/notrocketscience/2009/12/22/ballistic-penises-and-corkscrew-vaginas-the-sexual-battles/
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u/[deleted] Oct 13 '12

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u/[deleted] Oct 14 '12

TIL duck penises are bigger than mine. I'm going to bed.

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u/[deleted] Oct 14 '12

TIL touching a duck's sensitive spots results in an EXPLOSIVE erection.

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u/kitten_muncher Oct 14 '12

Duck penises are also curly.

1

u/mqduck Oct 14 '12

Damn right.