1. Department of Life Sciences Imperial College London Ascot UK
2. Department of Evolutionary Ecology National Museum of Natural Sciences (CSIC) Madrid Spain
3. Department of Animal and Plant Sciences University of Sheffield Sheffield UK
4. Max Planck Institute for Ornithology Seewiesen Germany
5. International Max‐Planck Research School (IMPRS) for Organismal Biology University of Konstanz Konstanz Germany
6. Department of Zoology and Anthropology Faculty of Biology University of Barcelona Barcelona Spain
7. Department of Evolutionary Biology Bielefeld University Bielefeld Germany