It would be easy for the Anutans to over-harvest the noddy terns -even exterminate the colony.

白顶玄燕浮塔岛民最容易捕获，甚至可以将其赶尽杀绝。

His ignoble resource, alas! is to attack a dull and timorous bird, the noddy, famous as a fisher.

唉，可叹啊，军鸟那不光彩一面就去攻击一只迟钝又胆小鸟——以“渔夫”之名著称燕。

Scientists are trying to boost the populations of three species: the bridled tern, brown noddy, and the Audubon's shearwater.

科学家们正试图增加三种物种数量：白斑燕、褐燕和奥杜邦海。