in the darkness, and then you see them looking for food on the road, or picking up dry twigs for their nests, "says professional nature photographer Kuo Chih-yung.
的叫聲劃破夜幕，然後就看到牠們在馬路上覓食，或嘴裡啣著築巢用的枯枝，」以生態攝影為業的郭智勇說。