Egrets rest atop the treetop at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

A Chinese pond heron rests atop the treetop at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

A cormorant flies over the Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

A chick rests atop the treetop at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

Cormorants are pictured at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

Fledglings perch on the branch at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

Egrets perch on the branch at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)

Cormorants perch on the branch at Miyun Reservoir in Beijing, capital of China, July 2, 2025. The bird island in Miyun Reservoir is home to over a dozen bird species and sees nearly 2,000 chicks hatched annually, serving as a key breeding site for birds in northern China. (Xinhua/Li Xin)