Henri Cap has a doctorate in Ethology, the study of animal behaviour, and is the resident zoologist at the museum of natural history in Toulouse. He has authored several scientific texts, and teaches animal biology and the evolution of animal behaviour. Raphael Martin is an author and editor living in Toulouse, where he writes for children and adults alike. Renaud Vigourt is a French illustrator and one of the founding members of the Supersenor workshop, an association based in Besancon that promotes self-publishing and artisanal printing.