1. Division of Behavioural Ecology, Institute of Ecology and Evolution University of Bern Bern Switzerland
2. Messerli Research Institute University of Veterinary Medicine Vienna Vienna Austria
3. Department of Behavioral and Cognitive Biology University of Vienna Vienna Austria
4. Department of Biology and Ecology University of Montpellier Montpellier France
5. Department of Evolutionary Biology University of Vienna Vienna Austria
6. Institute of Electronic Music and Acoustics University of Music and Performing Arts Graz Graz Austria