About the Authors

Robert A. Ronconi

rronconi@dal.ca

Affiliation Department of Biology, Dalhousie University, Halifax, Canada

Peter G. Ryan

Affiliation Percy FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, University of Cape Town, Rondebosch, South Africa

Yan Ropert-Coudert

Affiliation Institut Pluridisciplinaire Hubert Curien, Departement Ecologie, Physiologie and Ethologie, Strasbourg, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RAR PGR. Analyzed the data: RAR YR. Contributed reagents/materials/analysis tools: YR. Wrote the paper: RAR PGR YR. Conducted and supported fieldwork: RAR PGR.