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Taken in Swan Lake of Sumter S.C. . . . .This is a The Black Australian Swan (Australia, New Zealand) The Black Australian Swan's breeding area is in Australia. The cobb generally will weigh up to 14 lbs., while the female weighs around 12 lbs. The female lays four to ten pale green eggs. They build their nests in colonies. The site for these nests is chosen frequently on a sedge island in a lake or lagoon. Incubation is shared by males and females for about 34-40 days. These Swans are the most social of the swans and during the breeding season will often nest in loose colonies. Most other swans will not tolerate other pairs anywhere near their nests. I copied this off the site