About the Authors
Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America
Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South Africa
The authors have declared that no competing interests exist.
CCW conceived and designed the experiments, performed the experiments, and analyzed the data. CCW and WMG contributed reagents/materials/analysis tools and wrote the paper.