Black-necked cranes are seen at Dashanbao Black-necked Crane Nature Reserve, southwest China's Yunnan Province, Feb. 26, 2016. According to Dashanbao Black-necked Crane Nature Reserve, there were more than 1,100 black-necked cranes living through the winter here. Black-necked crane is evaluated as Vulnerable on the IUCN Red List of Threatened Species. (Photo: Xinhua/Hu Chao)