flock together

It would be needless to instance sheep, which constantly flock together.

Why do "birds of a feather flock together," in business and everyday life?

His dogs, too, were exceedingly careful in keeping the flock together.

But when birds flock together a much better advantage is that of beautiful clothing, added to alluring ways.

It is perhaps even more true in the Spirit life than in this, that like attracts like, and that birds of a feather flock together.