1. Intermountain West Joint Venture ‐ U.S. Fish and Wildlife Service Migratory Bird Program Missoula Montana USA
2. U.S. Geological Survey Louisiana Cooperative Fish and Wildlife Research Unit School of Renewable Natural Resources Louisiana State University Baton Rouge Louisiana USA
3. Idaho Department of Fish and Game Boise Idaho USA
4. Colorado Parks and Wildlife Fort Collins Colorado USA
5. Wildlife Biology Program Department of Ecosystem and Conservation Sciences Avian Science Center W.A. Franke College of Forestry and Conservation University of Montana Missoula Montana USA
6. Department of Natural Resources Management Texas Tech University Lubbock Texas USA
7. Oregon Department of Fish and Wildlife Ladd Marsh Wildlife Area La Grande Oregon USA
8. U.S. Fish and Wildlife Service Region 2 Migratory Bird Office Albuquerque New Mexico USA