The aggressive tropicbird would peck a cahow chick to death and take over the nest.

好斗的热带将圆尾鹱的幼啄死，再占用其巢。

As a schoolboy with an avid interest in birds, David Wingate was present in 1951 when a Bermudan naturalist succeeded in weaseling the first cahow out of its deep nesting crevice.

戴维•温盖学生代就充满狂热的兴趣。1951年，百慕大一位自然学家成功地将第一只圆尾鹱从裂隙深处的巢取出，他就现场。