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The great indian monsoon migration


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Source: Deccan Chronicle
Chennai: Ornithologists are monitoring the nesting pattern of migrant wetland birds in the sanctuaries as they could provide vital clues about the rainfall that is expected over the next two months. According to bird watchers, if the nests are built at the top of the canopy, they forecast heavy rainfall and if the nests are laid somewhere in the trunk of the tree, then there will only be moderate rainfall. And if certain species of birds avoid nesting then it means the rainfall will be scanty.

 

Dr R. Nagarajan of A.V.C. College, Mayiladuthurai, professor in wildlife biology, says, “Studies by Bombay Natural History Society have proved that the birds do have intellectual qualities to forecast rain. My thesis study on the Oystercatcher bird done in England proved that the birds could even identify the prey base in a water body from a distance and also avoid molluscs that are infected by parasites.

 

Read more: http://www.deccanchronicle.com/131121/news-current-affairs/article/great-indian-monsoon-migration

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