1. Department of Behavioural Ecology and Evolutionary Genetics Max Planck Institute for Ornithology Seewiesen Germany
2. Department of Organismal Biology – Systematic Biology, Evolutionary Biology Centre, Science for Life Laboratory Uppsala University Uppsala Sweden
3. Institute for Evolutionary Biology and Ecology University of Bonn Bonn Germany
4. Division of Evolutionary Biology, Faculty of Biology Ludwig Maximilian University of Munich Planegg‐Martinsried Germany
5. Evolutionary Biology and Ecology, Faculty of Biology University of Freiburg Freiburg Germany