Baby Tibetan antelopes are seen at Sonam Dargye Protection Station in Hoh Xil, northwest China`s Qinghai Province, Sept. 28, 2021.

Photo taken on Dec. 7, 2020 shows a baby Tibetan antelope at a wildlife rescue center of Sonam Dargye Protection Station in Hoh Xil, northwest China`s Qinghai Province.

Patroller Deng Haiping of Sonam Dargye Protection Station feeds baby Tibetan antelopes with milk in Hoh Xil, northwest China`s Qinghai Province, Dec. 6, 2020.

Zhao Xinlu, director of the Sonam Dargye Protection Station, feeds a baby Tibetan antelope with milk at a wildlife rescue center of Sonam Dargye Protection Station in Hoh Xil, northwest China's Qinghai Province, Dec. 7, 2020.

Aerial photo taken on Dec. 7, 2020 shows patrollers patrolling the conservation area of the Sonam Dargye Protection Station in Hoh Xil, northwest China`s Qinghai Province.

A baby Tibetan antelope is fed with milk at a wildlife rescue center of Sonam Dargye Protection Station in Hoh Xil, northwest China`s Qinghai Province, Dec. 6, 2020.

A patroller follows a baby Tibetan antelope at Sonam Dargye Protection Station in Hoh Xil, northwest China`s Qinghai Province, Sept. 28, 2021.