About the Authors

Hilger W. Lemke

Affiliation Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, Lund, Sweden

Maja Tarka

Affiliation Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, Lund, Sweden

Raymond H. G. Klaassen

Affiliation Montagu’s Harrier Foundation and Animal Ecology Group, Centre for Ecological and Evolutionary Studies, Groningen University, Groningen, Netherlands

Mikael Åkesson

Affiliation Grimsö Wildlife Research Station, Department of Ecology, Swedish University of Agricultural Sciences, Riddarhyttan, Sweden

Staffan Bensch

Affiliation Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, Lund, Sweden

Dennis Hasselquist

Affiliation Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, Lund, Sweden

Bengt Hansson

bengt.hansson@biol.lu.se

Affiliation Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, Lund, Sweden

Competing Interests

It is correct that co-author Bengt Hansson is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BH DH SB MT MÅ. Performed the experiments: BH DH MT HWL MÅ. Analyzed the data: HWL MT RHGK BH. Wrote the manuscript: HWL BH MT RHGK MÅ SB DH.