1. FitzPatrick Institute of African Ornithology, DST‐NRF Centre of Excellence University of Cape Town Cape Town South Africa
2. Department of Biology University of Turku Turku Finland
3. Department of Biology Lund University Lund Sweden
4. Konrad Lorenz Research Centre, Core Facility for Behaviour and Cognition University of Vienna Grünau/Almtal Austria
5. Department of Behavioural & Cognitive Biology University of Vienna Vienna Austria