The common kestrel roosts and hunts alone , but the lesser kestrel roosts and hunts in flocks .
一般的红隼独自栖息和狩猎，但小部分红隼群栖群猎。
Any of various small falcons belonging to the genus falco that are distributed worldwide , especially the american kestrel and the european kestrel .
红隼属鹰科的一种小游隼，分布于世界各地，尤指美洲红隼和欧洲红隼。
Colonial nester on cliffs ; hovers less than common kestrel ; wingbeat very fast ; mostly eats insects ; migrates in large flocks .
于悬崖峭壁结群营巢；主要以昆虫为食；较红隼少停在空中鼓翼，振翼甚快；迁徙时结大群。
It hounds an alarmed kestrel out of the park , then barrels through a flock of seagulls . Satisfied , the kite returns to its perch and shows off the black epaulettes on its grey back .
