Loading...

Explosive eversion of the waterfowl penis

155,158 views

Loading...

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Dec 22, 2009

This movie shows the explosive eversion of the male duck penis in air. The male is threading on top of a female. The male cloaca is seen on the top left. The high-speed video is 250 frames/second and the entire eversion of the 20 cm penis occurs in 0.35 sec. AS featured in the paper: Explosive eversion and functional morphology of the duck penis supports sexual conflict in waterfowl genitalia published in Proceedings of the Royal Society B.

Loading...

to add this to Watch Later

Add to

Loading playlists...