1. Department of Natural Resource Ecology and Management, Iowa State UniversityAmes, IA 50011, USA
2. US Geological Survey, Wisconsin Cooperative Wildlife Research Unit, University of WisconsinMadison, WI 53706, USA
3. Department of Fisheries and Wildlife, Michigan State UniversityEast Lansing, MI 48824, USA
4. Department of Zoology, Michigan State UniversityEast Lansing, MI 48824, USA
5. Faculty of Environmental Design, University of CalgaryCalgary, Alberta, Canada T2N 1N4
6. Wisconsin Department of Natural ResourcesMadison, WI 53707, USA