Wang Weiyan (L), a member of Shenyang birds of prey rescue center, speaks at a release acitivity in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A volunteer releases a rescued hawk into the wild in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A hawk, rescued by Shenyang birds of prey rescue center, flies in the sky in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A volunteer releases a rescued hawk into the wild in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A rescued eagle-owl is to be released into the wild in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A volunteer releases a rescued hawk into the wild in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)

A raptor release activity is held in Shenyang, northeast China's Liaoning Province, March 14, 2021. Raptors rescued by Shenyang birds of prey rescue center were released into the wild in Shenyang on Sunday. These birds have all fully recovered from injury or starvation under the effort of the center. (Xinhua/Yang Qing)