1. Boise State University, Department of Biological Sciences and Raptor Research Center, 1910 University Dr., Boise, Idaho 83725, USA
2. US Geological Survey, Forest and Rangeland Ecosystem Science Center, 970 Lusk St., Boise, Idaho 83706, USA
3. Nevada Department of Wildlife, 4747 Vegas Dr., Las Vegas, Nevada 89108, USA
4. Bloom Research Inc., 1358½ S Cloverdale Rd., Los Angeles, California 90019, USA
5. University of Tennessee, Department of Biomedical and Diagnostic Sciences, 2407 River Dr., Knoxville, Tennessee 37996, USA
6. Arizona Department of Game and Fish, 5000 W Carefree Hwy., Phoenix, Arizona 85086, USA
7. Draper Natural History Museum, Buffalo Bill Center of the West, 720 Sheridan Ave., Cody, Wyoming 82414, USA
8. Department of Biology, University of Nevada, 1664 N Virginia St., Reno, Nevada 89557, USA
9. Washington Department of Fish and Wildlife, PO Box 43141, Olympia, Washington 98504, USA