Category Archives: dailypeen

kinky

I am not clear on why the penises corkscrew in the first place tho. Maybe it helps them evert (inflate) faster?

References:

Brennan, P.L., Clark, C.J. and Prum, R.O., 2010. Explosive eversion and functional morphology of the duck penis supports sexual conflict in waterfowl genitalia. Proceedings of the Royal Society B: Biological Sciences, 277(1686), pp.1309-1314.

This is a series of little illustrated factoids about animal reproduction, posted daily. I’d love to hear your suggestions/ feedback. I also post these on my insta.

Putting the bone in boner

Not saying human copulation is short, but… there’s no bone in your boner, friend.

Reference: Austin, C.R., and Short, R.V. eds., 1986. Reproduction in Mammals. Cambridge University Press.

This is a series of little illustrated factoids about animal reproduction, posted daily. I’d love to hear your suggestions/ feedback. I also post these on my insta.