1. U.S. Geological Survey, Southwest Biological Science Center, 2255 North Gemini Drive, MS-9394, Flagstaff, AZ 86001, USA
2. Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
3. Tennessee Aquarium Conservation Institute, Tennessee Aquarium, 175 Baylor School Rd, Chattanooga, TN 37405, USA
4. 249 Maple Ridge Drive, Big Bear City, CA 92314, USA
5. Sonoran Institute, 100 North Stone Ave Suite 400, Tucson, AZ 85701, USA
6. Coachella Valley Conservation Commission, 73-710 Fred Waring Drive, Suite 200, Palm Desert, CA 92260–2516, USA
7. National Park Service, Joshua Tree National Park, 74485 National Park Drive, Twentynine Palms, CA 92277–3597, USA