7月2日，一只池鷺棲息在密云水庫(kù)鳥島上。近日，北京市密云水庫(kù)鳥島的幼鳥陸續(xù)離巢飛翔。密云水庫(kù)近年來通過林木撫育、減少人為干擾等方式，為鳥類營(yíng)造了穩(wěn)定的繁殖環(huán)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(qū)重要的鳥類"育兒所"。[新華社記者 李欣 攝]

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)