Thus, when researchers at the Taiwan Province Center for Endemic Species in Nantou's Jenai Mountain Region discovered a pair of Besra Sparrowhawks busy building their "love nest," they quickly set up a 20-meter- high observation post some ten meters from the nest to begin scientific observation.
因此當台灣省特有生物研究保育中心人員在南投仁愛鄉山區，發現一對松雀鷹忙著共築愛巢，研究人員也在離鳥巢十公尺處，搭起近二十公尺高的「天梯」來進行觀察。