1. Konrad Lorenz Institute of Ethology, Department of Interdisciplinary Life Sciences, University of Veterinary Medicine, Vienna 1160, Austria
2. Waldrappteam Conservation and Research, 6162 Mutters, Austria
3. Department of Behavioural and Cognitive Biology, University of Vienna, Vienna 1010, Austria
4. Animal Welfare Division, University of Bern, 3012 Bern, Switzerland
5. Department of Environmental Sciences, Informatics and Statistics, Ca’ Foscari University of Venice, 30123 Venezia, Italy
6. Bicocca Bioinformatics, Biostatistics and Bioimaging research center (B4), 20900 Monza, Italy