My brother and I called them sugar beats. As high schoolers we chased Huns hard in the NoDak winter season (Nov-Dec). We would basically drive the country roads of rural ND looking for coyotes, fox, and Huns.
Sometimes we would stumble on a creek system with massive flocks of Huns and walk them up.
More often we would spot the sugar beats in a field, put on our whites and stalk them. We tried to only take 2 birds per flock and even as high schoolers we would leave flocks of 2-5 birds alone.
Somedays we would get to grandma's house with a coyote, a fox or two, and a half dozen huns to show for our efforts. Not bad considering the weather was often -15F or lower...
By the way - usually - the colder and windier it was, the more likely you would see the Huns out and about ...