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The New Zealand scaup (Aythya novaeseelandiae), also known as the black teal (or pāpango in Māori), is a diving duck species of the genus Aythya endemic to New Zealand. [2] They weigh around 650 grams (23 oz) and measure around 40 centimetres (16 in), and have dark-coloured plumage. They are found throughout New Zealand in deep natural and ...
Black American coot chicks have conspicuously orange-tipped ornamental plumes covering the front half of their body that are known as "chick ornaments" that eventually get bleached out after six days. This brightly colored, exaggerated trait makes coot chicks more susceptible to predation and does not aid in thermoregulation, but remains ...
The diving ducks, commonly called pochards or scaups, are a category of duck which feed by diving beneath the surface of the water. They are part of Anatidae, the diverse and very large family that includes ducks, geese, and swans. The diving ducks are placed in a distinct tribe in the subfamily Anatinae, the Aythyini.
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 adult male (drake) has a black bill, a chestnut red head and neck, a black breast, a grayish back, black rump, and a blackish brown tail. The drake's sides, back, and belly are white with fine vermiculation resembling the weave of a canvas, which gave rise to the bird's common name. [10] The bill is blackish and the legs and feet are bluish ...
Loons are aquatic birds the size of a large duck, to which they are unrelated. Their plumage is largely gray or black and they have spear-shaped bills. Loons swim well and fly adequately but, because their legs are placed towards the rear of the body, are clumsy on land. Red-throated loon, Gavia stellata; Common loon, Gavia immer
Aythya is a genus of diving ducks, ... The body plumage is variably white, grey, red-brown, or black, ... and the bill pattern with a pale band and large black tip ...
The white-headed duck (Oxyura leucocephala) is a small diving duck some 45 cm (18 in) long. The male has a white head with black crown, a blue bill, and reddish-grey plumage. The female has a dark bill and rather duller colouring. Its breeding habitat is lakes with open water and dense vegetation at the margin.