1. Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, ON M5S 3B2, Canada
2. Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, ON M5S 2C6, Canada
3. Department of Fish and Wildlife, University of Idaho, Moscow, ID 83844, USA
4. Center for Environmental Studies, Virginia Commonwealth University, 1000 West Cary Street, Richmond, VA 23284, USA
5. School of Forestry, Northern Arizona University, 200 East Pine Knoll Drive, Flagstaff, AZ 86011, USA
6. Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
7. Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA
8. U.S. Forest Service, Rocky Mountain Research Station, Flagstaff, AZ 86001, USA
9. Department of Ecosystem Science & Management, University of Wyoming, Laramie, WY 82071, USA
10. Department of Forest Zoology and Forest Conservation, Georg–August–University of Göttingen, Büsgenweg 3, 37077 Göttingen, Germany