About the Authors

Sabrina Engesser

Contributed equally to this work with: Sabrina Engesser, Jodie M. S. Crane

sabrina.engesser@ieu.uzh.ch (SE); a.russell@exeter.ac.uk (AFR)

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Jodie M. S. Crane

Contributed equally to this work with: Sabrina Engesser, Jodie M. S. Crane

Affiliation Department of Animal & Plant Sciences, University of Sheffield, Sheffield, United Kingdom

James L. Savage

Affiliation Department of Zoology, University of Cambridge, Cambridge, United Kingdom

Andrew F. Russell

sabrina.engesser@ieu.uzh.ch (SE); a.russell@exeter.ac.uk (AFR)

‡ AFR and SWT also contributed equally to this work.

Affiliations Centre for Ecology & Conservation, College of Life & Environmental Sciences, University of Exeter, Penryn, Cornwall, United Kingdom, Fowlers Gap Arid Zone Research Station, School of Biological, Earth & Environmental Sciences, University of New South Wales, Sydney, Australia

Simon W. Townsend

‡ AFR and SWT also contributed equally to this work.

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SE JMSC JLS AFR SWT. Performed the experiments: SE JMSC JLS AFR. Analyzed the data: SE AFR. Wrote the paper: SE AFR SWT.