Yellow-billed egrets and herons rest and forage at the waters of a wetland in Rongcheng City, east China's Shandong Province, on Aug. 11, 2025. (Photo by Li Xinjun/Xinhua)

Egrets are pictured flying over a river in Tengzhou City, east China's Shandong Province, on Aug. 10, 2025. (Photo by Li Zhijun/Xinhua)

A drone photo taken on Aug. 7, 2025 shows white egrets foraging at a wetland in Gaomi City, east China's Shandong. (Photo by Li Haitao/Xinhua)

Yellow-billed egrets and herons rest and forage at the waters of a wetland in Rongcheng City, east China's Shandong Province, on Aug. 11, 2025. (Photo by Li Xinjun/Xinhua)

Yellow-billed egrets and herons rest and forage at the waters of a wetland in Rongcheng City, east China's Shandong Province, on Aug. 11, 2025. (Photo by Li Xinjun/Xinhua)

Egrets are pictured at a river in Tengzhou City, east China's Shandong Province, on Aug. 10, 2025. (Photo by Li Zhijun/Xinhua)

Red-crowned cranes fly over a national wetland park in Zhangye, northwest China's Gansu Province, on Aug. 11, 2025. (Photo by Chen Li/Xinhua)

Red-crowned cranes fly over a national wetland park in Zhangye, northwest China's Gansu Province, on Aug. 11, 2025. (Photo by Chen Li/Xinhua)

Egrets are pictured at a river in Tengzhou City, east China's Shandong Province, on Aug. 10, 2025. (Photo by Li Zhijun/Xinhua)

An egret is pictured flying over a river in Tengzhou City, east China's Shandong Province, on Aug. 10, 2025. (Photo by Li Zhijun/Xinhua)

An egret is pictured flying over a river in Tengzhou City, east China's Shandong Province, on Aug. 10, 2025. (Photo by Li Zhijun/Xinhua)