1. Haub School of Environment and Natural Resources, Wyoming Cooperative Fish and Wildlife Research UnitDepartment of Zoology and Physiology, University of Wyoming 804 East Fremont St. Laramie WY 82072 USA
2. Department of Fish and Wildlife SciencesUniversity of Idaho 875 Perimeter Dr., MS 1142 Moscow ID 83844 USA
3. Sierra Nevada Bighorn Sheep Recovery ProgramCalifornia Department of Fish and Wildlife 787 North Main Street, Suite 220 Bishop CA 93514 USA
4. Department of Natural Resources and Environmental ScienceUniversity of Nevada Reno Mail Stop 186, 1664 North Virginia Street Reno NV 89557 USA
5. Institute of Arctic BiologyUniversity of Alaska Fairbanks Box 757000 Fairbanks AK 99775 USA
6. Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and PhysiologyUniversity of Wyoming Dept. 3166, 1000 E. University Ave Laramie WY 82071 USA