About the Authors

Lorena F. Rivas

lrivas@wcs.org

Affiliations Instituto de Investigaciones en Biodiversidad y Medioambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Junín de los Andes, Neuquén, Argentina, Patagonian Steppe Program, Wildlife Conservation Society, Junín de los Andes, Neuquén, Argentina

Andrés J. Novaro

Affiliations Instituto de Investigaciones en Biodiversidad y Medioambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Junín de los Andes, Neuquén, Argentina, Patagonian Steppe Program, Wildlife Conservation Society, Junín de los Andes, Neuquén, Argentina

Martín C. Funes

Affiliation Patagonian Steppe Program, Wildlife Conservation Society, Junín de los Andes, Neuquén, Argentina

R. Susan Walker

Affiliation Patagonian Steppe Program, Wildlife Conservation Society, Junín de los Andes, Neuquén, Argentina

Competing Interests

This study was partially funded by a grant to the WCS Patagonian Steppe Program by the Disney Worldwide Conservation Fund (Conservation of Wildlife of the Andean Patagonia Steppe). This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: LFR AJN MCF RSW. Performed the experiments: LFR. Analyzed the data: LFR RSW. Contributed reagents/materials/analysis tools: AJN MCF RSW. Wrote the paper: LFR AJN MCF RSW.