Acknowledgements
We thank workers and rangers of the INPA for their assistance in the field, in particular Ohad Hatzofe, Ygal Miller, Asher Peretz, Avishai Bar-On, Yaniv Levy-Paz, Dvora Shilo, Lior lev and Elya Maatuf (Elika). We also thank Gideon Vaadia, Assaf Uzan, Sappir Simchi, Ron Efrat and other members of the Spiegel lab who helped with various aspects of the project and Sean O’Fallon, Kaija Gahm, Gideon Vaadia and Marta Acácio for helpful suggestions on previous versions of the manuscript.