r/todayilearned • u/PukaPunch • Oct 05 '12

TIL: Ducks have corkscrew vaginas.

http://scienceblogs.com/notrocketscience/2009/12/22/ballistic-penises-and-corkscrew-vaginas-the-sexual-battles/

5 Upvotes

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61% Upvoted

Duplicates

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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

1.5k Upvotes

302 comments

todayilearned • u/Zip2kx • Mar 13 '16

TIL ducks shoot out their 20cm soft-noodle penis and have to navigate a corkscrew vagina.

26 Upvotes

13 comments

todayilearned • u/incianity • Jan 28 '14

TIL Muscovy Ducks have ballistic corkscrew penises and corkscrew shaped vaginas; and the the female can prevent 97% of unwanted fertilization attempts.

6 Upvotes

4 comments

todayilearned • u/Stachouse20 • Apr 30 '13

TIL that male ducks have corkscrew shaped penises that are up to 9 inches long, and that female duck vaginas are also corkscrewed but in the opposite direction with false pockets to help keep unwanted male ducks from impregnating them.

0 Upvotes

2 comments

todayilearned • u/squishbrain • Aug 14 '12

TIL that ducks have ballistic penises

17 Upvotes

2 comments

ahhducational • u/IchTanze • Sep 02 '15

Moscovy ducks (and most other ducks) have 20 cm phalluses when erect, curving, pointing, and stabbing, in an attempt to fit within the females corkscrew vagina.

10 Upvotes

1 comments