1. School of Psychology and Neuroscience, University of St Andrews, St Andrews KY16 9JP, UK
2. Department of Post-Graduate Studies in Zoology, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Brazil
3. Bicho do Mato Instituto de Pesquisa, Belo Horizonte, Brazil
4. Centre for Cognitive Science, University of Neuchâtel, Neuchâtel, Switzerland
5. School of Environment and Life Sciences, University of Salford Manchester, Salford, UK