The picture shows a large number of gray geese and green-headed ducks flying freely in Jiayu Guancaohu National Wetland Park. Photo by Ma Yufu 

        Recently, with the temperature gradually warming up, Jiayu Guancaohu National Wetland Park ushered in the first batch of migratory birds this year - gray geese, this ecological wetland has once again become a warm station for birds, showing a vibrant natural painting.
        According to reports, the gray goose belongs to the wild goose-shaped duck family, the wild goose belongs to the wild birds, the distribution range is wide, and the population in China is large. The species has the habit of migration, migration distance is also far away, from the end of March to early April every year from the southern wintering land moved to Heilongjiang, Inner Mongolia, Gansu, Qinghai, Xinjiang and other northern regions to breed, while flying and calling, loud, crisp and high.
        In recent years, our city attaches great importance to ecological environment protection, and constantly increases the investment and construction of Jiayu Guancaohu National Wetland Park. Through the implementation of a series of ecological protection projects such as wetland restoration and water quality purification, the ecological environment of the wetland park has been significantly improved, the water area has expanded, and aquatic plants are rich, providing sufficient food sources and suitable habitats for migratory birds.