Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)

Photo taken on May 13, 2022 shows elks at the Daqingshan Nature Reserve in Hohhot, north China's Inner Mongolia Autonomous Region. A total of 27 elks (or milu) were released to the Daqingshan Nature Reserve on Sept. 29, 2021. Since April 3 this year, the group has given birth to nine fawns. (Photo by Wang Zheng/Xinhua)