7月2日，在密云水庫(kù)鳥(niǎo)島上，小鸕鶿學(xué)習(xí)飛翔。近日，北京市密云水庫(kù)鳥(niǎo)島的幼鳥(niǎo)陸續(xù)離巢飛翔。密云水庫(kù)近年來(lái)通過(guò)林木撫育、減少人為干擾等方式，為鳥(niǎo)類(lèi)營(yíng)造了穩(wěn)定的繁殖環(huán)境。目前鳥(niǎo)島已吸引蒼鷺、鸕鶿、白鷺等十余種鳥(niǎo)類(lèi)在此棲息，年繁殖幼鳥(niǎo)近2000只，成為華北地區(qū)重要的鳥(niǎo)類(lèi)"育兒所"。[新華社記者 李欣 攝]

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)