Ramnagar, Nov 28 (ANI): A large number of Siberian birds have flocked to Ramnagar town in India's northern state of Uttarakhand for the winter, fleeing the freezing conditions of their Arctic home grounds. Ramnagar is the gateway to Jim Corbett National Park, the oldest national park and a famous tourist destination in northern India. With the onset of winter, the Siberian birds spread their wings to begin a journey spanning thousands of kilometres. These birds from Siberia and Central Asia use wetlands as their transitory camps, which play a vital role in sustaining a large population of the breeding birds.Hundreds of thousands of exotic birds such as Mallards, Greyleg Geese, Gadwalls, Teals, Shovelers, Pochards and Coots make their temporary nests in Ramnagar. The birds attract a lot of tourists to the sanctuaries as well. The migratory birds begin their annual flight from Siberia, travel through Afghanistan and Central Asia and arrive in India for the entire season. Various species of Siberian birds including the Siberian Crane, Greater Flamingo, Ruff, Black-winged Stilt, Common Teal, Common Greenshank, Northern Pintail, Wagtail, Northern Shoveler,Rosy Pelican and Gadwall, migrate to Indian wetlands.