Every 4 years there is an influx of Boreal Owls into Minnesota. The voles must be at a low cycle further north, so the Boreals need to move in search of food. In late January of 2013 they started showing up in Sax-Zim and along the North Shore. Here is a compilation of video from 4 different Boreals taken between January 27th and February 8th.
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