About the Authors

Kristina Karlsson

kristina.karlsson@zooekol.lu.se

Affiliation Section for Animal Ecology, Department of Biology, Lund University, Lund, Sweden

Fabrice Eroukhmanoff

Affiliation Section for Animal Ecology, Department of Biology, Lund University, Lund, Sweden

Erik I. Svensson

Affiliation Section for Animal Ecology, Department of Biology, Lund University, Lund, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK FE EIS. Performed the experiments: KK FE. Analyzed the data: KK FE EIS. Wrote the paper: KK. Discussed the results and improved the text: FE EIS.