1. MPG Ranch 1001 South Higgins Avenue, Suite A3 Missoula Montana59801 USA
2. Montana Cooperative Wildlife Research Unit University of Montana Missoula Montana59812 USA
3. Avian Science Center and Wildlife Biology Program Department of Ecosystem and Conservation Sciences W. A. Franke College of Forestry and Conservation University of Montana 32 Campus Drive Missoula Montana59812 USA