1. Division
of Biological Sciences, Ecology, Behavior, and Evolution Section, University of California, San Diego, La Jolla, California 92093, United States
2. Department
of Ecology, Montana State University, Bozeman, Montana 59717-3460, United States
3. The Nature Conservancy, 258
Main Street, Lander, Wyoming 82520, United States
4. Ventana Wildlife Society, 19045
Portola Drive, Suite F-1, Salinas, California 93908, United States
5. Pinnacles
National Park, National Park Service, 5000 Highway 146, Paicines, California 95043, United States
6. United States Fish and Wildlife Service, 2493 Portola Road, Suite B, Ventura, California 93003, United States
7. Department
of Microbiology and Environmental Toxicology, University of California, Santa
Cruz, California 95064, United States