White-faced whistling duck (Dendrocygna viduata) The White-Faced Whistling Duck is the popular whistling duck. The various breeds of this duck found in sub-Saharan Africa and much of South America. Here in this article, you will see this White-Faced Whistling Duck Facts, sound, diet information, and images. White-Faced Whistling Duck Facts  Appearance The white-faced whistling duck has a long grey