1. Program in Ecology Department of Zoology and Physiology University of Wyoming Laramie Wyoming82071USA
2. Wyoming Cooperative Fish and Wildlife Research Unit Department of Zoology and Physiology University of Wyoming Laramie Wyoming82071USA
3. Center for Biodiversity and Global Change Yale University New Haven Connecticut06520USA
4. Department of Ecology and Evolutionary Biology Yale University New Haven Connecticut06520USA
5. U.S. Geological Survey Wyoming Cooperative Fish and Wildlife Research Unit Department of Zoology and Physiology University of Wyoming Laramie Wyoming82071USA
6. Wyoming Game and Fish Department P.O. Box 67 Jackson Wyoming83001USA
7. Wyoming Wild Sheep Foundation P.O. Box 666 Cody Wyoming82414USA
8. Wyoming Game and Fish Department P.O. Box 6249 Sheridan Wyoming82801USA
9. Colorado Parks and Wildlife P.O. Box 775777 Steamboat Springs Colorado80487USA
10. Haub School of Environment and Natural Resources University of Wyoming Laramie Wyoming82072USA