About the Authors

Christopher P. Brooks

Affiliation Department of Biological Sciences, Mississippi State University, Mississippi State, Mississippi, United States of America

Christopher Holmes

Affiliation Wildlife Conservation Society, International Conservation, Antananarivo, Madagascar

Karen Kramer

Affiliation Department of Anthropology, Harvard University, Cambridge, Massachusetts, United States of America

Barry Barnett

Affiliation Department of Agricultural Economics, Mississippi State University, Mississippi State, United States of America

Timothy H. Keitt


Affiliation Section of Integrative Biology, The University of Texas, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CH KK THK. Performed the experiments: CH. Analyzed the data: CPB. Contributed reagents/materials/analysis tools: KK BB. Wrote the paper: CPB.