1. Department of Ecology and Evolutionary Biology University of California 621 Charles E. Young Drive South Los Angeles CA 90095 U.S.A.
2. Applied Animal Ecology Division, Institute for Conservation Research San Diego Zoo Global 15600 San Pasqual Valley Road Escondido CA 92027-7000 U.S.A.
3. Department of Entomology University of California, and Institute for Contemporary Evolution Davis CA 95616 U.S.A.
4. U.S. Geological Survey Western Ecological Research Center 4165 Spruance Road, Suite 200 San Diego CA 92101‐0812 U.S.A.
5. Southwest Fisheries Science Center National Marine Fisheries Service, NOAA fisheries, 8901 La Jolla Shores Drive La Jolla CA 92037 U.S.A.
6. Mitrani Department of Desert Ecology, Jacob Blaustein Institutes for Desert Research Ben‐Gurion University of the Negev Midreshet Ben Gurion 8499000 Israel
7. Department of Biological Sciences University of Alberta Edmonton AB T6G 2E9 Canada