1. U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071, USA;
2. Centre for the Advanced Study of Collective Behavior, University of Konstanz, 78464 Konstanz, Germany
3. Department of Migration, Max Planck Institute of Animal Behavior, 78315 Radolfzell, Germany
4. Department of Biology, University of Konstanz, 78464 Konstanz, Germany;
5. Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071, USA;
6. Natural Resource Ecology Laboratory, Warner College of Natural Resources, Colorado State University, Fort Collins, Colorado 80523, USA;
7. Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences (INN), NO-2480 Koppang, Norway;
8. University of Veterinary Sciences Vienna, Research Institute of Wildlife Ecology, A-1160 Vienna, Austria
9. Norwegian Institute for Nature Research (NINA), NO-7485 Trondheim, Norway
10. Department of Environmental Science, Policy, and Management, University of California, Berkeley, California 94709, USA;
11. Haub School of Environment and Natural Resources, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82072, USA;
12. Institute of Biodiversity, Animal Health, and Comparative Medicine, University of Glasgow, G12 8QQ, United Kingdom;
13. Senckenberg Biodiversity and Climate Research Centre, Senckenberg Gesellschaft für Naturforschung, 60325 Frankfurt (Main), Germany
14. Department of Biological Sciences, Goethe University Frankfurt, 60438 Frankfurt (Main), Germany;
15. Western EcoSystems Technology, Inc., Laramie, Wyoming 82072, USA;