A Japanese white-eye is seen at the Minjiang River estuary wetlands in Changle District of Fuzhou City, southeast China's Fujian Provicne, Jan. 19, 2020. The estuarine wetlands boast rich biodiversity. Every year, large numbers of wild birds would stop off the wetlands during migration, and some would winter and breed here. Photo:Xinhua

A black-faced spoonbill forages food at the Minjiang River estuary wetlands in Changle District of Fuzhou City, southeast China's Fujian Provicne, Jan. 19, 2020. The estuarine wetlands boast rich biodiversity. Every year, large numbers of wild birds would stop off the wetlands during migration, and some would winter and breed here. Photo:Xinhua

A Japanese white-eye is seen at the Minjiang River estuary wetlands in Changle District of Fuzhou City, southeast China's Fujian Provicne, Jan. 19, 2020. The estuarine wetlands boast rich biodiversity. Every year, large numbers of wild birds would stop off the wetlands during migration, and some would winter and breed here. Photo:Xinhua

A long-tailed shrike is seen at the Minjiang River estuary wetlands in Changle District of Fuzhou City, southeast China's Fujian Provicne, Jan. 19, 2020. The estuarine wetlands boast rich biodiversity. Every year, large numbers of wild birds would stop off the wetlands during migration, and some would winter and breed here. Photo:Xinhua