Believe it or not, but ducks have a reputation for the unexpected: bizarre and intricate mating anatomy. According to ...

From ducks to dolphins, females have developed sex organs that help them deter undesirable suitors and derive pleasure from non-reproductive behavior Rachel E. Gross Biologists of the past often ...

Gary R. Hepp, Robert A. Kennamer and William F. Harvey, IV We investigated the effects of body mass of incubating female Wood Ducks (Aix sponsa) on aspects of their current and future reproduction, ...