1. Department of Environmental Science and Policy, University of California, Davis, Davis, California, USA
2. Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, Virginia, USA
3. Sonoran Joint Venture, Tucson, Arizona, USA
4. Cornell Lab of Ornithology, Ithaca, New York, USA
5. Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
6. U.S. Geological Survey, Minnesota Cooperative Fish and Wildlife Research Unit, University of Minnesota, Minneapolis, Minnesota, USA
7. U.S. Geological Survey, Fort Collins, Colorado, USA
8. Missouri Department of Conservation, Columbia, Missouri, USA