Mysterious songbird kill may be weather-related
DNR Reports Grand Marais, Minn. – The Minnesota DNR recently collected 50 dead birds that were floating 200 to 800 yards from shore in an eight-mile stretch of Lake Superior between Grand Marais and the Brule River mouth. The birds were migrating passerines (songbirds), primarily Swainson’s thrushes, white-throated sparrows, and various warbler species. Record numbers …