Roost rings are back: Massive flocks of birds visible on Detroit radar Saturday morning

Storm Tracker 4 captures large flocks of birds

DETROIT – After making an appearance Wednesday, roost rings have cropped up again on the Metro Detroit radar Saturday morning.

Local 4′s Paul Gross says the rings are large flocks of birds waking up at dawn and flying away in all directions.

See the roost rings in action on our Storm Tracker 4 radar in the video player above.

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