Even a small crack in a solidly frozen river is enough for the River Otter. This otter was feasting on minnows caught below the ice [March 27; St. Louis River, Fond du Lac, Duluth, Minnesota, St. Louis County on border with Douglas County, Wisconsin]

River Otter_0035101
River Otter pair St. Louis R Fond du Lac Bridge Duluth MN IMG_0035173