Waterfowl In Eclipse Plumage
Most ducks shed their body feathers twice each year. Nearly all drakes lose their bright plumage after mating, and for a few weeks resemble females. This hen-like appearance is called the eclipse plumage and provides drakes with the ability to camouflage themselves. The necessity for waterfowl not to be seen by predators at this time is great, for this is when ducks undergo a “simultaneous” wing molt – losing all their wing feathers at the same time. It takes a month or so to replace these feathers, and during this time they are completely flightless. As soon as drakes can fly again in late summer, they begin a second molt and gradually develop their breeding plumage as fall progresses.
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