Juma River in Fangshan District, Beijing is a wild bird paradise. Black scorpions are protected animals at the national level. In its protected area, the sound as long as it is slightly louder or closer, the sensitive black scorpions will fly away. Now black scorpions live here all year round, and they are very healthy. The national level protects the animal herons, like to nest on the cliffs, there are more than ten nests in a mountain, and there are two or three nests in one nest. Because the water quality is improving and the environment is getting better, the number of herons is increasing every year. The state-level protected animal, the swan, also stayed in the Juma River basin for three or two days, with a growing bird population and an increasing number of birds every year.