Whoooo? Voles?

• Position: STATELINE

It's an invasion of historic proportions. It's unprecedented. An irruption. And it's all because of the voles--or lack thereof. Owls--great gray, hawk, boreal--are invading Minnesota, Wisconsin and upper Michigan by the thousands looking for food. Their northern Canadian menu of voles and other rodents has been depleted, probably due to very wet weather. The invasion provides...