Introduction to Waterfowl Lake: As of May 2010, Hengshui Lake is home to 317 species of birds, among which the birds under national Class I protection include red-crowned cranes, white cranes, black storks, Oriental white storks, great bustards, There are 7 species of golden eagles, white-shouldered eagles, etc. The national Class II protected birds include whooper swans, cygnets, gray cranes, white-naped cranes, demoiselle cranes, horned grebes, spot-billed pelicans, yellow-billed egrets, owls, and falcons. There are 49 species of precious birds such as eagles, white spoonbills, mandarin ducks and colorful ibises.