Professor of Ecology and Evolutionary Biology, Yale University

Professor of Biology, University of California

Professor of Behavioural Ecology, SBOHVM, University of Glasgow

Distinguished Professor, Texas A&M University

CNRS senior research scientist, Institut Jean Nicod

Professor of Biology, Dalhousie University

Norwegian Institute for Nature Research,

Université du Québec a Montréal, Canada

Muséum National d'Histoire Naturelle, Paris

Professor of Psychology, University of Stirling