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Sunday 22 October 2017
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Migratory bird Whooper Swan spotted at Pong Dam after 113 years

Whooper Swan

The rare migratory bird Whooper Swan (pronounced hooper), has been spotted in the Pong Lake after 113 years, a wildlife official has claimed.

Whooper Swan is a large Northern Hemisphere swan. It is the Eurasian counterpart of the North American Trumpeter Swan. Forest official claimed that whooper swans were last spotted in the country in 1900 near the Beas by British civil servant EH Aitken.

The whooper swan is one of the heaviest flying birds, with an average body weight of 9.8 kg to 11.4 kg for males and 8.2 kg to 9.2 kg for females. Whooper swans require large areas of water to live in, especially when they are still growing, because their body weight cannot be supported by their legs for extended periods of time. The whooper swan spends much of its time swimming, straining the water for food, or eating plants that grow on the bottom.

Whooper swans have a deep honking call and, despite their size, are powerful fliers. Whooper swans can migrate hundreds or even thousands of miles to their wintering sites in southern Europe and eastern Asia. They breed in subarctic Eurasia, further south than Bewicks in the taiga zone. They are rare breeders in northern Scotland, particularly in Orkney, and no more than five pairs have bred there in recent years. This bird is an occasional vagrant to the Indian Subcontinent and western North America. Icelandic breeders overwinter in the United Kingdom and Ireland, especially in the wildfowl nature reserves of the Royal Society for the Protection of Birds and of the Wildfowl and Wetlands Trust.

Whooper swans pair for life, and their cygnets stay with them all winter; they are sometimes joined by offspring from previous years. Their preferred breeding habitat is wetland, but semi-domesticated birds will build a nest anywhere close to water. Both the male and female help build the nest, and the male will stand guard over the nest while the female incubates. The female will usually lay 4-7 eggs (exceptionally 12). The cygnets hatch after about 36 days and have a grey or brown plumage. The cygnets can fly at an age of 120 to 150 days.

Every year thousands of migratory birds come to pong dam and the reappearance of western bird in the Pong Lake after such a long gap showed that the man-made lake on the Beas was fast growing as a favourite among migratory birds.

Official said that the whooper swan became the 418th bird species to be recorded at the Pong Lake.



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