Later, the terns seemed to be flying frightened. While we were thinking whether the Peregrine Falcon started its attack, we saw it already caught a Bridled Tern.

• 过了大半个小时；气氛急转直下.；全岛的燕鸥看来都十分紧张地飞；当我们还在想是不是游隼出击的时候；游隼已经捕杀了一只褐翅燕鸥