7月2日拍攝的密云水庫鳥島上一只雛鳥。近日，北京市密云水庫鳥島的幼鳥陸續離巢飛翔。密云水庫近年來通過林木撫育、減少人為干擾等方式，為鳥類營造了穩定的繁殖環境。目前鳥島已吸引蒼鷺、鸕鶿、白鷺等十余種鳥類在此棲息，年繁殖幼鳥近2000只，成為華北地區重要的鳥類"育兒所"。[新華社記者 李欣 攝]

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)