About the Authors

Jessica Groenendijk

jessica.groenendijk@gmail.com

Affiliations San Diego Zoo Global Peru, Department of Cusco, Cusco, Perú, Wildlife Conservation Research Unit, University of Oxford, Abingdon, Oxfordshire, United Kingdom, Frankfurt Zoological Society, Frankfurt, Germany

Frank Hajek

Affiliations Nature Services Peru, Department of Cusco, Cusco, Perú, Frankfurt Zoological Society, Frankfurt, Germany

Paul J. Johnson

Affiliation Wildlife Conservation Research Unit, University of Oxford, Abingdon, Oxfordshire, United Kingdom

David W. Macdonald

Affiliation Wildlife Conservation Research Unit, University of Oxford, Abingdon, Oxfordshire, United Kingdom

Jorge Calvimontes

Affiliations Environmental Studies and Research Center, University of Campinas, São Paulo, Brazil, Frankfurt Zoological Society, Frankfurt, Germany

Elke Staib

Affiliation Frankfurt Zoological Society, Frankfurt, Germany

Christof Schenck

Affiliation Frankfurt Zoological Society, Frankfurt, Germany

Competing Interests

The authors have read the journal’s policy and the authors of this manuscript have the following competing interests: JG, FH, CS, ES, and JC were employed by the Frankfurt Zoological Society at the time the field research was conducted. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ES CS JG FH. Performed the experiments: ES CS JS FH JC. Analyzed the data: JS FH PJ. Contributed reagents/materials/analysis tools: PJ DM. Contributed to the writing of the manuscript: JG FH PJ CS DM.