Dalai Lake, also named Hulun Lake, is the fifth largest lake of our country and the largest lake of the Inner Mongolia. Covering an area of 3,253 square kilometers, it is an integrated Nature Reserve to mainly protect rare birds, wetland ecosystem and prairies. The Dalai Lake, with broad water area, successive wetlands, rich feedings, is a paradise for various migratory birds’ habitation and is a dak for birds’ migration of Oceania and Northeast Asia. There are various animals in the Reserve including 448 kinds of seed plants, 30 kinds of fishes, 35 kinds of beasts, and 297 kinds of birds (including 8 kinds of first-grade state protection birds such as red-crowned cranes, white-crowned cranes and so on; 28 kinds of second-grade state protection birds such as whooping swans and so on ). Dalai Lake Nature Reserve was founded in 1986 and was upgraded to national nature reserve in 1992. In 1994, it was brought into UMR International natural reserve. It was listed as key wetland in the world in 2002 and was brought into the World Biosphere Reserve by UNESCO.