1. New Mexico State University, Department of Fish, Wildlife, and Conservation Ecology, PO Box 30003, MSC 4901, Las Cruces, New Mexico 88003, USA
2. Department of Wildland Resources, Utah State University, Logan, Utah 84322, USA
3. Consulting DVM, 8631 Groundsel RD NW, Albuquerque, New Mexico 87120, USA
4. National Park Service, Valles Caldera National Preserve, PO Box 359, Jemez Springs, New Mexico 87025, USA
5. US Geological Survey, New Mexico Cooperative Fish and Wildlife Research Unit, New Mexico State University, Department of Fish, Wildlife, and Conservation Ecology, PO Box 30003, MSC 4901, Las Cruces, New Mexico 88003, USA