Migrant birds are pictured at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Wang Xiang)
This photo taken on Nov. 12, 2024 shows an egret flying at Chongming Dongtan National Nature Reserve in east China's Shanghai. A large number of migrant birds winter at the reserve. (Xinhua/Wang Xiang)
Migrant birds are pictured at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Wang Xiang)
Migrant birds are seen at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Li Bo)
A heron flies at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Li Bo)
Tundra swans fly over Chongming Dongtan National Nature Reserve at sunset in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Li Bo)
An egret flies at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Li Bo)
Tundra swans fly over Chongming Dongtan National Nature Reserve at sunset in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Wang Xiang)
This photo taken on Nov. 12, 2024 shows an egret flying at Chongming Dongtan National Nature Reserve in east China's Shanghai. A large number of migrant birds winter at the reserve. (Xinhua/Dai Qiaochu)
Trundra swans fly over Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Li Bo)
Migrant birds are pictured at Chongming Dongtan National Nature Reserve in east China's Shanghai, Nov. 12, 2024. A large number of migrant birds winter at the reserve. (Xinhua/Wang Xiang)
This photo taken on Nov. 12, 2024 shows an egret flying at Chongming Dongtan National Nature Reserve in east China's Shanghai. A large number of migrant birds winter at the reserve. (Xinhua/Fang Xin)
