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Range maps georeferenced from the Handbook of the Mammals of the World (HMW) for four South American species, (a) Alouatta caraya, (b) Pteronura brasiliensis, (c) Hydrochoerus hydrochaeris and (d) Panthera onca. Different maps species show different levels of precision (i.e., how roughly it approximates the edge of the species' range and how finely they demarcate different populations) and so will differ in their accuracy at different grain sizes
