Figure 3

Bivariated isotopic signals (mean ± SD) of the potential prey species for Franciscana dolphins from Uruguay. In-shore pelagic fish (□), Off-shore pelagic fish (○), In-shore demersal fish (●), In-shore demersal crustaceans (◊), In-shore pelagic cephalopods (▲), Off-shore pelagic cephalopods (■). In brackets the species size range. (see original data and sample size in Supplementary Table S3).