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The American black duck (Anas rubripes) is a large dabbling duck in the family Anatidae.It was described by William Brewster in 1902. It is the heaviest species in the genus Anas, weighing 720–1,640 g (1.59–3.62 lb) on average and measuring 54–59 cm (21–23 in) in length with an 88–95 cm (35–37 in) wingspan.
African black duck. The African black duck is a black duck with pronounced white marks on its back, a dark bill, and orange legs and feet. A purpish-blue speculum is often visible, especially in flight. It lives in central and southern Africa. It is also known as the black river duck, or (A. s. leucostigma) West African black duck or Ethiopian ...
The mountain bluebird is the state bird of Idaho. This list of birds of Idaho includes species documented in the U.S. state of Idaho and accepted by the Idaho Bird Records Committee (IBRC). As of January 2022, there were 433 species on the official list. One additional species is considered hypothetical. Of the 433, 180 are review species in part or all of the state.(see note) [notes 1] Eight ...
This is a list of the breeds of domestic duck which have official recognition at national or international level. [1]Most breeds of duck derive from the wild mallard, Anas platyrhyncos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
The western meadowlark is the state bird of North Dakota. This list of birds of North Dakota includes species documented in the U.S. state of North Dakota. The list is derived from Checklist of North Dakota Birds produced in April 2021 by the North Dakota Game and Fish Department (NDGFD). The basic NDGFD list contains 420 confirmed and extant species, two extinct species. Three additional ...
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.
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Both the male and female of the species are mostly white, with dark wing-tips and a distinctive "collar" of dark feathers. When viewed from above, during flight or with wings outstretched, green bands are visible on the tops of their wings. To communicate, the female utters a harsh rattle while the male emits a breathy, "sore-throat" whistle.