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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.
Ruddy duck diving under water. The ruddy duck is a small, compact duck with a stout, scoop-shaped bill, and a long, stiff tail which it holds cocked upward. It has a slightly peaked head and a fairly short, thick neck. The male ruddy duck has a blackish cap that contrasts with its bright white cheeks.
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.
A patch of coloured feathers found on the throat or upper breast of some species of birds. [242] It is a feature found on many male hummingbirds, particularly those found in North America, whose gorgets are typically iridescent. [244] Other species having gorgets include the purple-throated fruitcrow [245] and the chukar partridge. [246]
The face and upper neck are gray, and they sport a thin but distinct white eye-ring. The extensive white in the wings is obvious in flight, less so on the ground; it is formed by the secondary remiges while the primaries are black; the wing coverts are brown. Males and females look alike; juveniles are similar but have a gray bill and less ...
Pink-eared duck: Malacorhynchus membranaceus (Latham, 1801) 62 Salvadori's teal: Salvadorina waigiuensis Rothschild & Hartert, EJO, 1894: 63 Muscovy duck: Cairina moschata (Linnaeus, 1758) 64 White-winged duck: Asarcornis scutulata (Müller, S, 1842) 65 Hartlaub's duck: Pteronetta hartlaubii (Cassin, 1860) 66 Wood duck: Aix sponsa (Linnaeus ...
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.
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 ...