Flocks of grey cranes are seen in the Momoge National Nature Reserve in Northeast China's Jilin province. The Momoge National Nature Reserve in Baicheng is known in China for being home to many white cranes, and covers an area of 144,000 hectares. [Photo provided to gojilin.gov.cn]

White cranes take wing in the Momoge National Nature Reserve. The monitoring system of the nature reserve has achieved nearly full coverage and features intelligent monitoring, which is of great help in the protection of white cranes and other precious birds. [Photo provided to gojilin.gov.cn]

Swans float on a lake in the Jilin Xianghai National Nature Reserve. The nature reserve has combined ecological migration, wetland restoration and drinking water projects to improve the wetland environment. To date, about 1,500 swans and 600 gray cranes have stopped to rest in Xianghai. [Photo provided to gojilin.gov.cn]

Hooded cranes take wing over Boluo Lake in Jilin province. In recent years, more than 300,000 migratory birds have been stopping at Jilin Boluo Lake National Nature Reserve. The highest monitored number of the Oriental White Stork, a national first-class protected animal, is 520. [Photo provided to gojilin.gov.cn]

Hooded cranes are photographed in the Jilin Boluo Lake National Nature Reserve. The highest monitored number of hooded cranes in the nature reserve is 2,300, which is currently the largest population in Jilin province. [Photo provided to gojilin.gov.cn]