About the Authors

Nir Sapir

nir.sapir@mail.huji.ac.il

Current address: Department of Integrative Biology, University of California, Berkeley, California, United States of America

Affiliation Movement Ecology Laboratory, Department of Evolution, Systematics and Ecology, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel

Martin Wikelski

Affiliations Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany, Department of Biology, Konstanz University, Konstanz, Germany

Marshall D. McCue

Affiliation Department of Biological Sciences, St. Mary's University, San Antonio, Texas, United States of America

Berry Pinshow

Affiliation Mitrani Department of Desert Ecology, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, Israel

Ran Nathan

Affiliation Movement Ecology Laboratory, Department of Evolution, Systematics and Ecology, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NS MW MDM BP RN. Performed the experiments: NS MDM. Analyzed the data: NS MDM. Contributed reagents/materials/analysis tools: MW BP RN. Wrote the paper: NS MW MDM BP RN.