Black-necked Swan
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Описание:
The Black-necked Swan, Cygnus melancoryphus is the largest and 4.5-6.7 kg; females are 102-124 cm and 3.5-4.4 kg. The wingspan is about 177 cm. The body plumage is white with a black neck, head and greyish bill. It has a red knob near the base of the...Похожие книги
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