1. Raptor View Research Institute, P.O. Box 4323, Missoula, MT 59806 U.S.A.
2. Department of Mathematics and Statistics, California State University, Chico, CA 95929 U.S.A.
3. Audubon Alaska, 431 West 7th Avenue, Suite 101, Anchorage, AK 99501 U.S.A.