Black-necked cranes forage on the highland pastures in Damxung County, Lhasa, southwest China's Tibet Autonomous Region, Oct. 23, 2023. (Photo: China News Service/Li Lin) Black-necked cranes are listed as first-class protected animals in China and the only crane species in the world to breed mainly on the Qinghai-Tibet Plateau.

Black-necked cranes forage on the highland pastures in Damxung County, Lhasa, southwest China's Tibet Autonomous Region, Oct. 23, 2023. (Photo: China News Service/Li Lin)

Black-necked cranes forage on the highland pastures in Damxung County, Lhasa, southwest China's Tibet Autonomous Region, Oct. 23, 2023. (Photo: China News Service/Li Lin)

Black-necked cranes forage on the highland pastures in Damxung County, Lhasa, southwest China's Tibet Autonomous Region, Oct. 23, 2023. (Photo: China News Service/Li Lin)