Sentence examples for a flock from inspiring English sources

"a flock" is grammatically correct and is commonly used in written English.
It is used to refer to a group of birds, usually of the same species, or a group of sheep, goats, or other grazing animals. It can also be used figuratively to describe a group of people or things. Example: As I walked through the park, I saw a flock of geese flying overhead. Example: The shepherd led his flock of sheep to graze in the fields. Example: The teacher asked the students to work in pairs, but a flock of them chose to work alone.