About the Authors

Denise Küng

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Laurent Bigler

Affiliation Institute of Organic Chemistry, University of Zurich, Zurich, Switzerland

Leyla R. Davis

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Brian Gratwicke

Affiliation Center for Species Survival, Conservation and Science, National Zoological Park, Smithsonian Institution, Washington DC, United States of America

Edgardo Griffith

Affiliation El Valle Amphibian Conservation Center, El Valle, República de Panamá

Douglas C. Woodhams

dwoodhams@gmail.com

Current address: Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America

Affiliations Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, Smithsonian Tropical Research Institute, Balboa, Ancón, Panamá, República de Panamá

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DW DK EG. Performed the experiments: DK BG EG. Analyzed the data: DK DW LB LD. Contributed reagents/materials/analysis tools: DW LB EG. Wrote the paper: DK DW BG LB.