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The wood duck is a medium-sized perching duck.A typical adult is from 47 to 54 cm (19 to 21 in) in length with a wingspan of between 66 and 73 cm (26 and 29 in).
The gadwall was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. [3] DNA studies have shown that it is a sister species with the falcated duck; the two are closely related to the three species of wigeons, and all of them have been assigned to the genus Mareca.
The mallard (/ ˈ m æ l ɑːr d, ˈ m æ l ər d /) or wild duck (Anas platyrhynchos) is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurasia, and North Africa. It has been introduced to New Zealand , Australia , Peru , Brazil , Uruguay , Argentina , Chile , Colombia , the Falkland Islands , and South Africa .
Wood duck Aix sponsa (Linnaeus, 1758) North American species, [4] eastern half of the United States, and from southern Canada to northern Mexico: Size: The wood duck has a mass of 500–700 grams (18–25 oz). It is 41–49 centimeters (16–19 in) in length, and has a wingspan of 73–75 cm (29–30 in).
The northern pintail is a fairly large duck with a wing chord of 23.6–28.2 cm (9.3–11.1 in) and wingspan of 80–95 cm (31–37 in). [11] The male is 59–76 cm (23–30 in) in length and weighs 450–1,360 g (0.99–3.00 lb), and therefore is considerably larger than the female, which is 51–64 cm (20–25 in) long and weighs 454–1,135 ...
The common goldeneye or simply goldeneye (Bucephala clangula) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. Its closest relative is the similar Barrow's goldeneye . [ 2 ] The genus name is derived from the Ancient Greek boukephalos ("bullheaded", from bous , "bull " and kephale , "head"), a reference to the bulbous head ...
Dr. James Bender, a former Army psychologist who spent a year in combat in Iraq with a cavalry brigade, saw many cases of moral injury among soldiers. Some, he said, “felt they didn’t perform the way they should. Bullets start flying and they duck and hide rather than returning fire – that happens a lot more than anyone cares to admit.”
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.
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