Explosive eversion of the waterfowl penis
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Uploaded by RoyalSociety 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.
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Plein de sperme de canard sur les mains mdr
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oh yeah, i couldnt wait to see an explosive erection of the waterfowl penis!
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EEEWWWWW
10 months ago 3
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Goddammit nature, this shit's unacceptable.
1Avion1 10 months ago 5
oh god wat
Se7enSlottedToaster 11 months ago 4