1. Mitrani Department of Desert Ecology, Jacob Blaustein Institute for Desert Research, Ben Gurion University, Sde Boqer Campus, 84990, Israel, and Science Division, Israel Nature and National Parks Protection Authority, 3 Am Ve'Olamo Street, Jerusalem, 95463, Israel,
2. Ramon Science Center, Mitzpe Ramon, Israel
3. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08544, U.S.A.