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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Laridae | Large-billed Tern | Atí | Trinta-réis-grande | Phaetusa simplex | Native |
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| 2 | Accipitriformes | Accipitridae | Bicolored Hawk | Esparvero Variado | Gavião-bombachinha-grande | Astur bicolor | Native |
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| 3 | Passeriformes | Corvidae | Plush-crested Jay | Urraca Común | Gralha-picaça | Cyanocorax chrysops | Native |
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| 4 | Cardinalidae | Hepatic Tanager | Fueguero Común | Sanhaçu-de-fogo | Piranga flava | Native |
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| 5 | Rodentia | Caviidae | Greater Capybara | Carpincho | Capivara | Hydrochoerus hydrochaeris | Native |
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| 6 | Chinchillidae | Common Plains Viscacha | Vizcacha | Viscacha | Lagostomus maximus | Native |
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