1. Montana Cooperative Wildlife Research Unit; Natural Sciences Room 205; University of Montana; Missoula MT 59812 USA
2. U.S. Geological Survey; Montana Cooperative Wildlife Research Unit; Natural Sciences Room 205; University of Montana; Missoula MT 59812 USA
3. Idaho Department of Fish and Game; 3316 16th Street Lewiston ID 83501 USA
4. Department of Ecosystem Science and Management; Pennsylvania State University; University Park PA 16827 USA
5. Department of Fish and Wildlife Resources; University Of Idaho; P.O. Box 441136 Moscow ID 83844 USA
6. Idaho Department of Fish and Game; 600 South Walnut St. Boise ID 83707 USA
7. Gray Wolf Recovery Project; Nez Perce Tribe; P.O. Box 1922 McCall ID 83638 USA