1. Laboratoire Ethologie Cognition Développement; UPL, Université Paris Nanterre; Nanterre France
2. Department of Scienze e Innovazione Tecnologica; University of Piemonte Orientale; Alessandria Italy
3. Behavioural Biology; Institute of Biology (IBL); Leiden University; Leiden The Netherlands
4. INRA, Unité MaIAGE, Domaine de Vivert; Jouy-en-Josas France