SHANNON TOMPKINS: CHRONICLE WHITE ON RED: Waterfowl biologists are not certain why some adult hen redhead ducks, such as the one between the normally colored drake (top) and hen (bottom) sometimes ...

Grab your binoculars and take a 'quack' at correctly identifying two commonly confused ducks: the 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, the ...

One of the largest duck species, the white-winged duck measures between 66 and 81 centimeters from head to tail and has a wingspan of 116-153 cm. Adult males weigh between 2.94 and 3.9 kilograms ...