long-necked river duck, Anas acuta, of the Old and New Worlds, having long and narrow middle tail feathers
grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail
a bird having elongated central tail feathers
slender duck (Anas acuta) of the northern hemisphere with the male having a brown head, a white breast with a white line continuing up the side of the neck, and chiefly gray upperparts