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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 .
The adult male is all black except for white flanks and a blue-grey bill with gold-yellow eyes, along with a thin crest on the back of its head. It has an obvious head tuft that gives the species its name. The adult female is brown with paler flanks, and is more easily confused with other diving ducks.
This is a list of the bird species recorded in Africa.The area covered by this list is the Africa region defined by the American Birding Association's listing rules. [1] In addition to the continent itself, the area includes Madagascar, Mauritius, Rodrigues, Seychelles, Cape Verde, the Comoro Islands, Zanzibar and the Canary Islands, São Tomé and Príncipe and Annobón in the Gulf of Guinea.
Black-bellied whistling-duck Canada goose Wood duck Falcated duck Ring-necked duck. Order: Anseriformes Family: Anatidae. The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and ...
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 platyrhynchos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
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 ...
The black-headed duck is the most basal living member of its subfamily, and it lacks the stiff tail and swollen bill of its relatives. Overall much resembling a fairly typical diving duck, [5] its plumage and other peculiarities indicate it may not be a very close relative of the other stiff-tailed ducks, but rather the product of convergent evolution from the ancestors of the stiff-tailed ducks.
The western meadowlark is the state bird of Nebraska. This list of birds of Nebraska includes species documented in the U.S. state of Nebraska and accepted by Nebraska Ornithologists' Union (NOU). As of August 2021, there are 467 species included in the official list. Of them, 95 are classed as accidental, 19 are classed as casual, two are extinct, and three have been extirpated. Four have ...