Tibetan antelopes are pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 3, 2025. (Xinhua/Jiang Fan)

Two male Tibetan antelopes confront before a fight at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 1, 2025. (Xinhua/Guo Yu)

A drone photo shows Tibetan antelopes foraging at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 7, 2025. (Xinhua/Xin Yuewei)

Tibetan antelopes are pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 4, 2025. (Xinhua/Guo Yu)

A drone photo shows a Tibetan antelope foraging at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 5, 2025. (Xinhua/Xin Yuewei)

A Tibetan antelope is pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Nov. 30, 2025. (Xinhua/Jiang Fan)

A male Tibetan antelope chases a female one at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 1, 2025. (Xinhua/Guo Yu)

Tibetan antelopes are pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Nov. 30, 2025. (Xinhua/Guo Yu)

A drone photo shows Tibetan antelopes galloping at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 7, 2025. (Xinhua/Xin Yuewei)

Tibetan antelopes forage at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 5, 2025. (Xinhua/Xin Yuewei)

Tibetan antelopes gallop at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Nov. 30, 2025. (Xinhua/Guo Yu)

Two male Tibetan antelopes fight for mating at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 3, 2025. (Xinhua/Jiang Fan)

Tibetan antelopes are pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 2, 2025. (Xinhua/Guo Yu)

Tibetan antelopes gallop at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 4, 2025. (Xinhua/Jiang Fan)

A male Tibetan antelope (R) chases a female one at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 5, 2025. (Xinhua/Xin Yuewei)

Two male Tibetan antelopes fight for mating at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 3, 2025. (Xinhua/Jiang Fan)

Tibetan antelopes are pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 3, 2025. (Xinhua/Guo Yu)

Tibetan antelopes forage at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region, Dec. 7, 2025. (Xinhua/Xin Yuewei)

A male Tibetan antelope chases a female one at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 1, 2025. (Xinhua/Guo Yu)

A Tibetan antelope is pictured at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 4, 2025. (Xinhua/Jiang Fan)

Two male Tibetan antelopes confront before a fight at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 4, 2025. (Xinhua/Jiang Fan)

A Tibetan antelope gallops at the Changtang National Nature Reserve in southwest China's Xizang Autonomous Region, Dec. 3, 2025. (Xinhua/Guo Yu)