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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 northern shoveler (/ ˈ ʃ ʌ v əl ər /; Spatula clypeata), known simply in Britain as the shoveler, [2] is a common and widespread duck.It breeds in northern areas of Europe and across the Palearctic and across most of North America, [3] wintering in southern Europe, the Indian subcontinent, Southeast Asia, Central America, the Caribbean, and northern South America.
The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species. Eight species on the list are extinct; they are marked (E). [1]
As the "perching ducks" were split up, the comb duck was moved to the Tadorninae or shelduck subfamily. [ 3 ] Analysis of mtDNA sequences of the cytochrome b and NADH dehydrogenase subunit 2 genes , however, suggests that it is a quite basal member of the Anatidae, vindicating the earliest placement, but its closest living relatives cannot be ...
The level of monogamy varies within the family; many of the smaller ducks only maintain the bond for a single season and find a new partner the following year, whereas the larger swans, geese and some of the more territorial ducks maintain pair bonds over a number of years, and even for life in some species.
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The steamer ducks are a genus (Tachyeres) of ducks in the family Anatidae. All of the four species occur at the southern cone of South America in Chile and Argentina, and all except the flying steamer duck are flightless ; even this one species capable of flight rarely takes to the air.
Edward A. Pottsdamer sits in the dining room of his home at 718 S. Boulevard (today's M.L. King Blvd). Pottsdamer was a prominent Tallahassee Black businessman, for whom a street is named in the ...