As with all duck species, one drake or hen redhead looks ... puzzled me," my friend Dave Ankney said of redhead hens with white head feathers. If it's a mystery to Ankney, it's a sure-enough ...

but with yellowish heads and gray-white feathers along their backs. When you’re done differentiating redhead vs canvasback, ...

The White-faced Whistling duck (Dendrocygna viduata) is found in freshwater marshes from Costa Rica to northern Argentina and Uruguay. With a black head and crown and white cheek and forehead ...

It has a black body and a white head, and its English name is derived from the distinctive patches on its wings. One of the largest duck species, the white-winged duck measures between 66 and 81 ...