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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native |
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| 2 | Red Shoveler | Pato Cuchara | Marreca-colhereira | Spatula platalea | Native |
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| 3 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 4 | Gruiformes | Rallidae | Red-fronted Coot | Gallareta Escudete Rojo | Carqueja-de-escudo-vermelho | Fulica rufifrons | Native |
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| 5 | Red-gartered Coot | Gallareta Ligas Rojas | Carqueja-de-bico-manchado | Fulica armillata | Native |
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| 6 | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native |
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| 7 | Pelecaniformes | Ardeidae | Black-crowned Night Heron | Garza Bruja | Socó-dorminhoco | Nycticorax nycticorax | Native |
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