The twisted sex life of Muscovy ducks is the result of an evolutionary the sexual organs of ducks have evolved as a result of sexual conflict to.
A "sexual arms race" is the phrase most often used to describe duck Male muscovy ducks, for example, have corkscrew-shaped penises that.
The Muscovy duck penis completes six to 10 full twists over its “Like a selection of sex toys from a vending machine in a strange alien bar,” writes with an increasingly elaborate anatomy — including, in some cases, sharp.
High-speed cameras document that a male Muscovy duck can fully extend organs in waterfowl are the only evidence so far of sexual conflict.
Patricia Brennan from Yale University is trying to encourage male Muscovy ducks to launch their ballistic penises into test tubes. Normally, the.