1. Division of Migratory Bird Management U.S. Fish and Wildlife Service Albuquerque New Mexico USA
2. Division of Migratory Bird Management U.S. Fish and Wildlife Service Sacramento California USA
3. U.S. Geological Survey, Colorado Cooperative Fish and Wildlife Research Unit Colorado State University Fort Collins Colorado USA
4. Wildlife Diversity Division Nevada Department of Wildlife Reno Nevada USA
5. Conservation Science Global Cape May New Jersey USA
6. Teton Raptor Center Wilson Wyoming USA
7. East Bay Regional Park District and Department of Ornithology and Mammalogy California Academy of Sciences San Francisco California USA
8. Bloom Biological Inc. Santa Ana California USA
9. Craighead Beringia South Kelly Wyoming USA
10. Raptor View Research Institute Missoula Montana USA
11. American Eagle Research Institute Apache Junction Arizona USA
12. Bloom Research Inc. Santa Ana California USA
13. Northwest Wildlife Consultants, Inc. Madras Oregon USA
14. Wildlife Health Office, Natural Resource Program Center, National Wildlife Refuge System U.S. Fish and Wildlife Service Chiefland Florida USA
15. Ecology Department Montana State University Bozeman Montana USA
16. Arizona Game and Fish Department Phoenix Arizona USA
17. Forest & Rangeland Ecosystem Science Center U.S. Geological Survey Boise Idaho USA
18. United States Army Dugway Proving Ground Natural Resource Program Dugway Utah USA
19. Wildlands Photography and Bio‐Consulting Laramie Wyoming USA
20. National Park Service Denali National Park and Preserve Fairbanks Alaska USA
21. Eagle Environmental, Inc. Sandia Park New Mexico USA
22. HawkWatch International, Inc. Salt Lake City Utah USA
23. Division of Migratory Bird Management U.S. Fish and Wildlife Service Lakewood Colorado USA
24. H. T. Harvey & Associates Los Gatos California USA
25. Eagle Environmental, Inc. Santa Fe New Mexico USA
26. Washington Department of Fish and Wildlife Concrete Washington USA