France, French Guiana, unexplored area on the border between the heart of the Amazonian Park of French Guiana and the Trinité national nature reserve, end of the dry season, scientific multidisciplinary inventory mission Haut Koursibo, mimetic camouflage of the Lescure Toad (Rhinella lescurei) on the litter of the tropical undergrowth, the first proof of the most western presence of French Guiana for this species