But before I reached my goal, a flock of piglike little imps appeared suddenly on the kitchen floor.

A new flock of crows appeared from the desert and flew hurriedly toward Jerusalem.

In very cold weather much larger flocks appear.

Half an hour later, we got a taste of what lay ahead when a flock of 14 geese appeared in the distance.

Other flocks appeared in the west but it was impossible to tell, because of the snow, if they were landing in the fields.

We waited a half-hour and were about to leave when a flock of two dozen appeared.

By the 1980's, flocks were appearing in woodlands north of the city.

A whole flock, like a flight of storks, was just now appearing from behind the airship.

Out of nowhere, a flock of sales clerks appeared.

One night a flock of birds appeared.