1. Mammal Vocal Communication and Cognition Research Group, MULTISENSE Lab, School of Psychology, University of Sussex, Falmer, Brighton BN1 9QH, UK
2. Equipe Neuro-Ethologie Sensorielle, ENES/CRNL, CNRS UMR5292, INSERM UMR_S 1028, University of Lyon/Saint-Etienne, France