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The Chinese is an international breed of domestic goose, known by this name in Europe and in North America. Unlike the majority of goose breeds, it belongs to the knob geese , which derive from Anser cygnoides and are characterised by a prominent basal knob on the upper side of the bill.
The African Goose is one of two domestic goose breeds that derive from the wild species Anser cygnoides, the other being the Chinese, to which it is closely related. [9]: 364 [3] Domestication took place in north Asia, and birds of this type were later brought to Europe, possibly via Madagascar; [10] they were present in Britain before the end of the seventeenth century.
The Chinese and African Geese are the domestic breeds of the swan goose (A. cygnoides); they can be recognized by their prominent bill knob. [ 1 ] Some breeds, like the Obroshin Goose and Steinbach Fighting Goose , originated in hybrids between these species (the hybrid males are usually fertile – see Haldane's Rule ).
Domestic geese have been selectively bred for size, with some breeds weighing up to 10 kilograms (22 lb), [3] compared to the maximum of 3.5 kilograms (7.7 lb) for the wild swan goose and 4.1 kilograms (9.0 lb) for the wild greylag goose. [5]
A publication by the United States Department of Agriculture lists the African goose, Roman goose (Tufted Roman), Pomeranian goose (Saddleback Pomeranian), and Chinese goose as the best breeds for guard duty. [8] [13] Chinese geese are said to be loud, and African geese both loud and large. [21] [2]
The swan goose is large and long-necked for its genus, wild birds being 81–94 cm (32–37 in) long (the longest Anser goose) and weighing 2.8–3.5 kg (6.2–7.7 lb) or more (the second-heaviest Anser, after the greylag goose A. anser). The sexes are similar, although the male is larger, with a proportionally longer bill and neck; in fact the ...
When looking at an African elephant and an Asian elephant side-by-side, you can really tell the differences in their head shapes and tasks. African elephants generally have much larger tusks than ...
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