1. Department of Public Health School of Biostatistics and Epidemiology University of Massachusetts Amherst Amherst Massachusetts 01003 USA
2. Department of Biology Washington University in St. Louis St. Louis Missouri 63130 USA
3. Max Planck Institute of Animal Behavior Radolfzell 78315 Germany
4. Department of Biology University of Konstanz Konstanz 78464 Germany
5. Smithsonian Tropical Research Institute Balboa Panamá
6. Gesellschaft für Internationale Zusammenarbeit (GIZ GmbH) Eschborn 65760 Germany
7. Department of Biological Sciences Virginia Polytechnic Institute and State University MC 0390 Blacksburg Virginia 24061 USA