Wu Zhigang, researcher at the Jilin Academy of Forestry, said the wetland welcomes wild geese and ducks every February, which is about 10 days earlier than other areas in Jilin province.

As the wetland has reinforced the protection of birds in recent years, more and more kinds of birds have made it a stop during their migration.

Birds of prey play on the lake which is still frozen, waiting for the coming spring. [Photo provided to chinadaily.com.cn]