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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Rodentia | Caviidae | Patagonian Mara | Mara | Dolichotis patagonum | |
| 2 | Greater Capybara | Carpincho | Capivara | Hydrochoerus hydrochaeris | ||
| 3 | Artiodactyla | Delphinidae | Common Bottlenose Dolphin | Delfín Nariz de Botella | Tursiops truncatus | |
| 4 | Commerson´s Dolphin | Tonina Overa | Cephalorhynchus commersonii |