1. The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID 83709 U.S.A.
2. Department of Environmental Studies, Pacific University, 2043 College Way, Forest Grove, OR 97116 U.S.A.
3. Department of Biological Sciences and Raptor Research Center, Boise State University, 1910 University Drive, Boise, ID 83725 U.S.A.