1. Department of Neurodegenerative Diseases Hertie‐Institute for Clinical Brain Research, University of Tübingen Tübingen Germany
2. CNRS UMR 8542, Department of Biology École normale supérieure Paris France
3. Physiology Weihenstephan, Technical University Munich Freising‐Weihenstephan Germany
4. Department of Behavioural Ecology and Evolutionary Genetics Max Planck Institute for Ornithology Starnberg (Seewiesen) Germany