About the Authors

Rasmus Kaspersson

rasmus.kaspersson@bioenv.gu.se

Affiliation Department of Biological and Environmental Sciences, Animal Ecology, University of Gothenburg, Gothenburg, Sweden

Fredrik Sundström

Current address: Department of Animal Ecology, Evolutionary Biology Centre (EBC), Uppsala University, Uppsala, Sweden

Affiliation Department of Biological and Environmental Sciences, Animal Ecology, University of Gothenburg, Gothenburg, Sweden

Torgny Bohlin

Affiliation Department of Biological and Environmental Sciences, Animal Ecology, University of Gothenburg, Gothenburg, Sweden

Jörgen I. Johnsson

Affiliation Department of Biological and Environmental Sciences, Animal Ecology, University of Gothenburg, Gothenburg, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RK FS TB JJ. Performed the experiments: RK FS TB JJ. Analyzed the data: RK JJ. Wrote the paper: RK FS JJ.