About the Authors

Talatu Tende

talatu.tende@biol.lu.se

Affiliations A.P. Leventis Ornithological Research Institute, Department of Zoology, University of Jos, Plateau State, Nigeria, Department of Biology, Lund University, Lund, Sweden

Bengt Hansson

Affiliation Department of Biology, Lund University, Lund, Sweden

Ulf Ottosson

Affiliation A.P. Leventis Ornithological Research Institute, Department of Zoology, University of Jos, Plateau State, Nigeria

Mikael Åkesson

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

Staffan Bensch

Affiliation 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: TT UO. Performed the experiments: TT UO. Analyzed the data: TT MA BH. Contributed reagents/materials/analysis tools: BH SB. Wrote the paper: TT BH MA UO SB.