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

好斗的热带鸟将圆尾鹱的幼鸟啄死，再占用其鸟巢。

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•温盖特在中学生时代就对鸟类充满狂热的兴趣。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鸟巢取出时，他就在现场。