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Home » Ornamental Swans » Black Neck Swan Pair (Click Here)

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1-Black Neck Swan Pair 
1-Black Neck Swan Pair

The Black-necked Swan, Cygnus melancoryphus, is the largest waterfowl native to South America - but is the smallest member in its genus. The Black-necked Swan was formerly placed in monotypic genus, Sthenelides. Description Males are 115-140 cm (45-55 in) and 4.5-6.7 kg (10-14.8 lbs); females are 102-124 cm (40-49 in) and 3.5-4.4 kg (7.7-9.7 lbs).[1] The wingspan is about 177 cm (70 in). The body plumage is white with a black neck, head and greyish bill. It has a red knob near the base of the bill and white stripe behind eye. Both sexes are similar, with a slightly smaller female. The cygnet has a light grey plumage with black bill and feet. Distribution / Range The smallest member in its genus, it is found in freshwater marshes, lagoon and lake shores in the southern South America. The Black-necked Swan breeds in Zona Sur, Patagonia, Tierra del Fuego and on the Falkland Islands. In the austral winter, this species migrates northwards to Paraguay and southern Brazil.[citation needed] The Laguna Blanca National Park in Argentina is a protected home of this swan. The wetlands created by the Great Chilean Earthquake like Carlos Anwandter Nature Sanctuary in Cruces River have become important population centers for the Black-necked Swan. In 2004 and 2005 thousands of Black-necked Swans in the Carlos Anwandter Nature Sanctuary in Chile died or migrated away following major contamination by Valdivia Pulp Mill located on the Cruces River which feeds the wetlands. By August 2005 the birds in the Sanctuary had been "wiped out"; only 4 birds could be observed from a population formerly estimated at 5,000 birds. Autopsies on dead swans attributed the deaths to high levels of iron and other metals polluting the water [1]. Black-necked SwansVocalizations The Black-necked Swan, like its nearest relatives the Black and Mute Swan is relatively silent. Breeding / Nesting Unlike most wildfowl, both parents regularly carry the cygnets (chicks) on their backs. The female lays four to six eggs in a nest of vegetation mound. Diet / Feeding The diet consists mainly of vegetation, insects and fish spawn.
Price: $5000.00


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