1.   Birds circled in the dark sky.

2.   About halfway through the practice, some birds circled the field and swooped down near Shanahan.

3.   But then the bird circled for a long time, screeching.

4.   For both sexes, the activity level is far lower than during the breeding year, when the birds are constantly circling around their nesting region.

5.   Flies buzzed around the corpses, and carrion birds circled overhead.

6.   Scavenger birds circle overhead, attracted by the putrefaction and the small of decaying bodies.