The first intimate duck videos show that it’s mate and checkmate in the battle of the sexes. High-speed cameras document that a male Muscovy duck can fully extend his 20-centimeter penis in a third of ...
In the past week, Yale ornithology professor Richard Prum has come under attack from various media outlets for his study of ducks’ sexual anatomy and forced copulation. Fox News, PolitiFact and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback