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

好斗鸟圆尾鹱幼鸟啄死，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•温盖特在中学生代就对鸟类充满狂兴趣。1951年，百慕大位自然学家成功地只圆尾鹱从裂隙深处鸟巢取出，他就在现场。