Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia, School of Biological Sciences, The University of Sydney, Sydney, New South Wales, Australia.|School of Information Technologies, The University of Sydney, Sydney, New South Wales, Australia.|Centre National de la Recherche Scientifique (CNRS), Centre de Recherches sur la Cognition Animale, Toulouse, France, Université Paul Sabatier (UPS), Centre de Recherches sur la Cognition Animale, Toulouse, France.|Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia, School of Biological Sciences, The University of Sydney, Sydney, New South Wales, Australia, School of Agriculture, Food and Wine, The University of Adelaide, Adelaide South Australia, Australia.|Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia, School of Biological Sciences, The University of Sydney, Sydney, New South Wales, Australia, Faculty of Veterinary Science, The University of Sydney, Sydney, New South Wales, Australia.|Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia, School of Biological Sciences, The University of Sydney, Sydney, New South Wales, Australia.