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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Ringed Teal | Pato de Collar | Marreca-de-coleira | Callonetta leucophrys | Native | 2 |
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| 2 | Silver Teal | Pato Capuchino | Marreca-cricri | Spatula versicolor | Native | 1 |
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| 3 | Podicipediformes | Podicipedidae | White-tufted Grebe | Macá Común | Mergulhão-de-orelha-branca | Rollandia rolland | Native | 2 |
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| 4 | Least Grebe | Macá Gris | Mergulhão-pequeno | Tachybaptus dominicus | Native | 2 |
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| 5 | Silvery Grebe | Macá Plateado | Mergulhão-de-orelha-amarela | Podiceps occipitalis | Native | 2 |
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| 6 | Gruiformes | Rallidae | Spot-flanked Gallinule | Pollona Pintada | Frango-d´água-carijó | Porphyriops melanops | Native | 1 |
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| 7 | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native | 1 |
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