. A natural history of the ducks . ON Male: Forehead, crown and occiput sooty brown, more reddish on forehead. Remainder of head andneck pale fulvous gray, almost white on chin and throat. Mantle and scapulars rich brown, the endsof the feathers being edged with rufous. Lower parts bright chestnut, but much lighter on the breast,and the under tail-coverts nearly white. Lesser and median wing-coverts rich mahogany red; greatercoverts dark slate, primaries black. Back and rump dark slate-color, upper tail-coverts brown, tailblackish. Flank feathers fulvous brown with light fulvous streaks along
. A natural history of the ducks . ON Male: Forehead, crown and occiput sooty brown, more reddish on forehead. Remainder of head andneck pale fulvous gray, almost white on chin and throat. Mantle and scapulars rich brown, the endsof the feathers being edged with rufous. Lower parts bright chestnut, but much lighter on the breast,and the under tail-coverts nearly white. Lesser and median wing-coverts rich mahogany red; greatercoverts dark slate, primaries black. Back and rump dark slate-color, upper tail-coverts brown, tailblackish. Flank feathers fulvous brown with light fulvous streaks along the middle. Bill plumbeous to pale blue at the base, shading to black at the tip (Hume and Marshall, 1879).There is apparently some variation in the shade of the bill. The irides are deep brown, the legsand feet dark, at times pale plumbeous blue, often dusky in patches. Wing 190 mm.; culmen 39; tarsus 46. Weight 1 pound to 1 pound 6 ounces ( to kilograms), the latter weight unusual (Baker,1908). Female: Similar. Plate 13.
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Keywords: ., bookauthorgrnvoldh, bookcentury1900, bookdecade1920, bookyear1922
