1. Department of Biological Sciences and Raptor Research Center, Boise State University, Boise, Idaho.
2. Department of Biology, Utah State University, Logan, Utah.
3. Idaho Bureau of Laboratories, Boise, Idaho.
4. US Fish and Wildlife Service, Mid-Columbia River National Wildlife Refuge Complex, Burbank, Washington.
5. Idaho Cooperative Fish and Wildlife Research Unit, University of Idaho, Moscow, Idaho and Global Owl Project, Alexandria, Virginia.
6. Idaho Bureau of Laboratories and Idaho State University, Boise, Idaho.
7. Department of Biological Sciences, Boise State University, Boise, Idaho.