1. Core facility Konrad Lorenz Forschungsstelle for Behaviour and Cognition; University of Vienna; Grünau im Almtal Austria
2. Department of Behavioural Biology; University of Vienna; Vienna Austria
3. Department of Ecology; Faculty of Science; Charles University; Prague Czech Republic
4. Department of Invasive Ecology; Institute of Botany; The Czech Academy of Sciences; Průhonice Czech Republic
5. Department of Evolutionary Ecology; Leibniz Institute for Zoo and Wildlife Research; Berlin Germany
6. Department of Ecological Dynamics; Leibniz Institute for Zoo and Wildlife Research; Berlin Germany
7. Institute for Integrative Nature Conservation Research and Division of Plant Protection; University of Natural Resources and Life Sciences Vienna; Vienna Austria
8. Helmholtz Centre for Environmental Research - UFZ; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Leipzig Germany