DCHP-1 Online
whistle-wing 
n. any of several ducks that make a whistling sound in flight, especially the golden eye.
See also: whistling duck
- 1852 (1881) The silence of the forest was unbroken, save by the . . . whirring sound of the large white and grey duck, (called by the frequenters of these lonely waters the whistlewing,) as its wings swept the waters in flight. . . .
- 1907 The whistler, whistle-wing, great head, garrot or brass-eyed is one of the few ducks that to my knowledge, builds its nest in trees.
- 1956 Common Goldeneye [is also called] . . . whistle-wing. . . .
- 1852 (1881) The silence of the forest was unbroken, save by the . . . whirring sound of the large white and grey duck, (called by the frequenters of these lonely waters the whistlewing,) as its wings swept the waters in flight. . . .