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It has a light blue bill with a small black nail on the tip, yellow eyes, and is 20% heavier and 10% longer than the closely related lesser scaup. [16] The male has a dark head with a green to purple sheen, a black breast, a light back, a black tail, and a white underside. The drake or male is larger and has a more rounded head than the female.
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.
Except for hybrids between the two scaup species, the most reliable mark is the black bill-tip of hybrids, whereas in the scaups only the very point ("nail") of the bill is black. This is even recognizable at considerable range, as the scaups' bills appear uniformly grey from a distance, whereas those of hybrids look two-colored.
Yellow-headed blackbird. Order: Passeriformes Family: Icteridae. The icterids are a group of small to medium-sized, often colorful passerine birds restricted to the New World and include the grackles, New World blackbirds and New World orioles. Most species have black as a predominant plumage color, often enlivened by yellow, orange, or red.
Black-headed duck: Heteronetta atricapilla (Merrem, 1841) 166 Masked duck: Nomonyx dominicus (Linnaeus, 1766) 167 Ruddy duck: Oxyura jamaicensis (Gmelin, JF, 1789) 168 Andean duck: Oxyura ferruginea (Eyton, 1838) 169 Lake duck: Oxyura vittata (Philippi, 1860) 170 Blue-billed duck: Oxyura australis Gould, 1837: 171 Maccoa duck: Oxyura maccoa ...
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.
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The black-capped chickadee is the state bird of Maine. This list of birds of Maine is a comprehensive listing of all the bird species recorded in the U.S. state of Maine.This list is published by the Maine Bird Records Committee (MBRC) and is dated December 2022.