Some conclusions on classification

 The mapping between vernacular names and scientific classification is reasonable but far from 100% . In particular,  certain species are merged that we would consider easily distinguished such as the potto and the angwantibo and the bushbuck and sitatunga.  On the other hand, close observation by hunters led to the identification of new (to the Delta or to science) species such as the red colobus or the pygmy hippo  In the case of fish, there are several cases of over-discrimination, whereby the different growth phases of a single species are given different names and apparently thought to be different species