About the Authors

Samuel P. Caro, Sonja V. Schaper, Marcel E. Visser
Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands

Roelof A. Hut
Chronobiology Unit, Center for Behavior and Neurosciences (CBN), University of Groningen, Groningen, The Netherlands

Gregory F. Ball
Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, Maryland, United States of America

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.