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The Hook Bill is a light duck, with an average weight of approximately 2 kg. [6]: 417 Three colour variants are recognised in France, the Netherlands and the United Kingdom: [8] the dusky mallard has a black head and rump with green lustre, the body in shades of grey with no white neck-ring, and a slate-grey beak; the white-bibbed dusky mallard is similarly coloured, but with a distinct white ...
This is a list of the bird species recorded in Pakistan.The avifauna of Pakistan include a total of 792 species. The chukar (Alectoris chukar) is the official national bird of Pakistan, and the shaheen falcon is the symbolic icon of the Pakistan Air Force and Pakistan Avicultural Foundation, one bird is endemic.
The eastern spot-billed duck was described by the English biologist Robert Swinhoe in 1866 under its current binomial name Anas zonorhyncha. [2] [3] The name of the genus Anas is the Latin word for a duck. The specific epithet zonorhyncha is derived from the classical Greek words zōnē meaning "band" or "girdle" and rhunkhos meaning "bill". [4]
The Indian spot-billed duck was described by the naturalist Johann Reinhold Forster in 1781 under its current binomial name Anas poecilorhyncha. [2] [3] The name of the genus Anas is the Latin word for a duck. The specific epithet poecilorhyncha combines the classical Greek words poikilos meaning "pied" or "spotted" and rhunkhos meaning a "bill ...
The chicks are covered with a black down. On the body the down has yellow hair-like tips. On the sides of the head, nape and throat the hair-like tips are longer and orange-red. Between the eyes and on the lores, the tips are red. The shield is bright red and the bill is red with a white tip. [17]
The outer secondaries are tipped with white and the inner ones have black margins. The plumage of the two sexes are mostly the same, although the female has slightly less chestnut in the chest. [17] The pinkish-white bill has fleshy flaps of skin hanging from the sides of its tip.
The ruddy duck is a small, compact duck with a stout, scoop-shaped bill, and a long, stiff tail which it holds cocked upward. It has a slightly peaked head and a fairly short, thick neck. The male ruddy duck has a blackish cap that contrasts with its bright white cheeks. In summer, it has a rich chestnut body with a bright blue bill.
A tufted duck × common pochard hybrid. Note the casual resemblance to a lesser scaup in head shape, but distinguishable by the more uniform (less vermiculated) mantle feathers, and the bill pattern with a pale band and large black tip (uniform bluish in lesser scaup).