Published February 21, 2013, 10:05 AM
Great gray owls join boreal owls in Minnesota
Northern Minnesota’s phenomenowl winter continues. Boreal owls and now great gray owls have come south from Canada’s boreal forest seeking food. Such a movement is called an “irruption” by birders. But for some boreal owls, the winter is taking a tough turn.By: Sam Cook, Duluth News Tribune
