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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 ...
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Captain James Cook saw the blue duck in Dusky Sound, South Island, New Zealand, on his second voyage to the south Pacific. In 1777 both Cook and the naturalist Georg Forster mentioned the blue duck in their separate accounts of the voyage. [2] [3] A specimen was described in 1785 by the English ornithologist John Latham in his A General ...
Ducklings have a white face with a pattern similar to that of the adult female in black and a dark gray eye patch. Their black crown extends in a V-shape from the base of the bill to the back of the neck. The rump and flanks are white, the back and tail black. Neck, breast and belly are light-gray to white the wings are black.
American Pekin flock. The Pekin or White Pekin is an American breed of domestic duck, raised primarily for meat. [6] [7] It derives from birds brought to the United States from China in the nineteenth century, [8] and is now bred in many parts of the world. [6]
Adult males have a dark head with a greenish gloss and a circular white patch below the eye, a dark back and a white neck and belly. Adult females have a brown head and a mostly grey body. Their legs and feet are orange-yellow. The subspecies B. c. americana has a longer and thicker bill than the nominate B. c. clangula. [9]