Fulvous Whistling Duck

Fulvous Whistling Duck
Fulvous Whistling Ducks (depicted to far right) represent one of the most challenging species to collect in North America.

Fulvous Whistling Duck (Dendrocygna bicolor) is described as having goose-like posture due to their unusually long necks and legs. Drakes and hens are monomorphic (virtually identical) with grey-blue bills, legs and eye-rings. Overall rich chocolate-colored plumage covering back, rear, tail. with white uppertail coverts patch separating rear and tail. Tawney-buckskin colored belly and nape blending stripe-like into the chocolate back portions.  Striking, elongated, buff-colored flank feathers forming intermittent streaks on the side pockets. Fulvous whistling duck wings covert is rich cinnamon, the remainder is black. Dark feather line running down the crown to the neck is only continuous on females. Throats striated gray and white. They’re extremely vocal while feeding and in flight, making high-pitched k-weeooo and kees.