This photo taken on Sept. 9, 2025 shows a Chinese babax searching for food on a branch in Xiamen, southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on Sept. 24, 2025 shows migrant birds flying over a wetland in Xiawu Village, Changle of southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on April 22, 2025 shows a ferruginous flycatcher resting on a branch at a park in Fuzhou of southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on Oct. 7, 2025 shows a siberian stonechat resting on a pole in Kongyuan Village, Fuzhou of southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on Sept. 9, 2025 shows a buff-breasted sandpiper (3rd L) and waterbirds flying over the sky in a field in southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on Oct. 4, 2025 shows an ibis searching for food at a wetland in Fuzhou of southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)

This photo taken on April 17, 2025 shows a narcissus flycatcher searching for food at a scenic spot in Fuzhou of southeast China's Fujian Province. Fujian, a province boasting rich biodiversity, locates in the channel where migrant birds move between east Asia and Australasia. Every year, large numbers of migrant birds reproduce, winter and rest during migration here. (Xinhua/Wei Peiquan)