Pt. 2. “oh uncle paul. how reasonable.”
Tag: ducks
http://archive.picturesforsadchildren.com/139/
In Ducks, War of the Sexes Plays Out in the Evolution of Genitalia – New York Times
In Ducks, War of the Sexes Plays Out in the Evolution of Genitalia – New York Times
in ducks, the males seem to do an equivalent of menstruating: they grow and lose phalluses.