Search results
Results from the WOW.Com Content Network
Averaging 35.5 cm (14.0 in) and 370 g (13 oz), it rivals the green-winged teal as the smallest American duck. The bufflehead has a wingspan of 21.6 in (55 cm). [7] Adult males are striking black and white, with iridescent green and purple heads and a large white patch behind the eye.
The knob-billed duck (Sarkidiornis melanotos) or African comb duck is a type of duck found along the tropical/sub-tropical wetlands and waterways of Sub-Saharan Africa and the island of Madagascar, as well as most of South Asia and mainland Indochina. Most taxonomic authorities classify the knob-billed duck and the comb duck separately.
This has created conservation concerns for relatives of the mallard, such as the Hawaiian duck, [124] [125] the New Zealand grey duck (A. s. superciliosa) subspecies of the Pacific black duck, [124] [126] the American black duck, [127] [128] the mottled duck, [129] Meller's duck, [130] the yellow-billed duck, [123] and the Mexican duck, [124 ...
It is a large duck, with the males about 76 cm (30 in) long, and weighing up to 7 kg (15 lb). Females are noticeably smaller, and only grow to 3 kg (6.6 lb), roughly half the males' size. The bird is predominantly black and white, with the back feathers being iridescent and glossy in males, while the females are more drab.
White-breasted black duck [26] References This page was last edited on 27 December 2024, at 00:28 (UTC). Text is available under the Creative Commons ...
The surf scoter (Melanitta perspicillata) is a large sea duck native to North America. Adult males are almost entirely black with characteristic white patches on the forehead and the nape and adult females are slightly smaller and browner. Surf scoters breed in Northern Canada and Alaska and winter along the Pacific and Atlantic coasts of North ...
The velvet scoter is 51–56 cm (20–22 in) in length and has a wingspan of 90–99 cm (35–39 in). It is a relatively large sea duck with a thick neck, a long broad bill and a pointed tail. The plumage of the male is glossy black with large white wing patches and small white patches behind the eye. The bill is partly orange.
The speculum feathers are bright blue with white edges. The speculum is a patch, often distinctly coloured, on the secondary wing feathers, or remiges, of some birds. Examples of the colour(s) of the speculum in a number of ducks are: Common teal and green-winged teal: Iridescent green edged with buff. [1] Blue-winged teal: Iridescent green. [2]