Gadwall (Adult♂)	Comment : Ducks usually have quite different plumages between Male and Female: Male’s plumages are generally more conspicuous than Female’s. Male Gadwall’s plumage is, however, comparatively somber-coloured as indicated in the photo.
Date taken : 2005.1.4	Location : Midstream of Tama River	Photo by : Seiji Ohkawa