1A flock of starlings flew over the field, their wings beating in unison.
2The tourists formed a flock around the famous landmark, eager to take photos.
3Sheep are often kept in a flock by a shepherd, who ensures their safety and well-being.
4The children were warned not to stray from the flock during the school outing.
5The flock of pigeons in the city square was a popular attraction for visitors.