This photo taken on Jan. 27, 2024 shows black-necked cranes in Namling County of Xigaze City, southwest China's Xizang Autonomous Region. The black-necked crane, a species under first-class state protection in China, mainly inhabits plateau meadows and marshes at an altitude of 2,500 to 5,000 meters. (Xinhua/Liu Wenbo)

This photo taken on Jan. 27, 2024 shows black-necked cranes in Namling County of Xigaze City, southwest China's Xizang Autonomous Region. The black-necked crane, a species under first-class state protection in China, mainly inhabits plateau meadows and marshes at an altitude of 2,500 to 5,000 meters. (Photo by Dainzin Nubo/Xinhua)

This photo taken on Jan. 27, 2024 shows black-necked cranes in Namling County of Xigaze City, southwest China's Xizang Autonomous Region. The black-necked crane, a species under first-class state protection in China, mainly inhabits plateau meadows and marshes at an altitude of 2,500 to 5,000 meters. (Photo by Dainzin Nubo/Xinhua)

This photo taken on Jan. 27, 2024 shows a black-necked crane in Namling County of Xigaze City, southwest China's Xizang Autonomous Region. The black-necked crane, a species under first-class state protection in China, mainly inhabits plateau meadows and marshes at an altitude of 2,500 to 5,000 meters. (Photo by Dainzin Nubo/Xinhua)