This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly… Click to show full abstract
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. © 2021 The Authors. Ethology published by WileyVCH GmbH Sabine Tebbich and Timo Schwemhofer contributed equally to this paper. 1Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria 2Department of Evolutionary Biology, Unit for Theoretical Biology, University of Vienna, Vienna, Austria
               
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