Common shelducks sport on the melting sea-ice surface of Jiaozhou Bay in the eastern coastal city of Qingdao, Shandong province, Feb 1, 2018. [Photo by Wang Haibin/dailyqd.com]

Grey herons look for food at a shrimp pond near Jiaozhou Bay in the eastern coastal city of Qingdao, Shandong province, Feb 1, 2018. [Photo by Wang Haibin/dailyqd.com]