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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Didelphimorphia | Didelphidae | Brazilian White-eared Opossum | Comadreja Overa | Gambá-de-orelha-branca | Didelphis albiventris |
| 2 | Rodentia | Caviidae | Thomas´s Mountain Cavy | Cuis Chico Mayor | Microcavia maenas | |
| 3 | Patagonian Mara | Mara | Dolichotis patagonum | |||
| 4 | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | |
| 5 | Carnivora | Canidae | Pampas Fox | Zorro Gris Pampeano | Graxaim-do-campo | Lycalopex gymnocerca |