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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 ...
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 ...
Bar-headed goose winter in the wetlands of Pakistan Pakistan has the largest concentration of wintering white-headed duck in South Asia [1] Order: Anseriformes Family: Anatidae. Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, flattened bills ...
This is a list of the breeds of domestic duck which have official recognition at national or international level. [1]Most breeds of duck derive from the wild mallard, Anas platyrhynchos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
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]
Gulls are typically gray or white, often with black markings on the head or wings. They have longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with gray or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water.
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.