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For example, the white-faced whistling ducks with more black coloration are commonly found in western Africa where rainfall supersedes the dry season. The back and wings are dark brown to black, and the underparts are black with a fine white barring on the flanks. The neck is chestnut. Males and females have similar plumage.
The ferruginous duck (Aythya nyroca), also known as ferruginous pochard, common white-eye or white-eyed pochard, is a medium-sized diving duck from Eurosiberia.The scientific name is derived from the Ancient Greek word, αἴθυιᾰ (aithuia), an unknown seabird mentioned by authors including Hesychius and Aristotle, and the Russian word, нырок (nyrok), [2] the Russian word for pochard ...
In 1837, William John Swainson named the genus Dendrocygna to distinguish whistling ducks from the other waterfowl. [2] The type species was listed as the wandering whistling duck (D. arcuata), formerly named by Thomas Horsfield as Anas arcuata. [3] Whistling duck taxonomy, including that of the entire order Anseriformes, is complicated and ...
These ducks come in a variety of colors and include chocolate, silver, and a snowy white. But don't let these adorable ducks fool you; even though they look primed for snuggling, these birds ...
In summer, the male is dark on the head, neck and back with a white cheek patch. The female has a brown back and a relatively short pointed tail. In winter, the female's head and neck are white with a dark crown. In summer, the head is dark. Juveniles resemble adult females in autumn plumage, though with a lighter, less distinct cheek patch.
The downy young are white with a brown crown and brown stripes from crown to tail. Juvenile males look much like the adult males, but the females are smaller with a white patch at the base of the bill. The females assume their white head during the first molt and 1–2 months after fledging their breast and abdomen turn dark chestnut. [12]
The inner secondary feathers are white and form white markings over the back when folded. The bill is blue-grey and the eye is reddish. Adult females are less colourful, with brownish-grey plumage with three white patches on the head: a round spot behind the eye, a larger patch from the eye to the bill and a small spot above the eye. [7]
The white-cheeked pintail (Anas bahamensis), also known as the Bahama pintail or summer duck, is a species of dabbling duck that is spottily distributed throughout South America and the Caribbean. It was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae under its current scientific name.