It is entirely terrestrial in habits, at least on Gibraltar, and goes about in droves.
People were leaving in droves because she sang like an American Idol reject.
When it's "fashion week," celebrities, socialites, and the well-connected show up in droves.
When Izzie and Denny embarked on a sexual relationship, fans protested and the spoilers began to turn them away in droves.
Until a period comparatively recent, they were relatively numerous, and were driven in droves to the pasturages of the Severn and the neighbouring markets.