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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 | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native | 1 |
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| 2 | Black-necked Swan | Cisne Cuello Negro | Cisne-de-pescoço-preto | Cygnus melancoryphus | Native | 1 |
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| 3 | Silver Teal | Pato Capuchino | Marreca-cricri | Spatula versicolor | Native | 1 |
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| 4 | Gruiformes | Aramidae | Limpkin | Carau | Carão | Aramus guarauna | Native | 1 |
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| 5 | Rallidae | Rufous-sided Crake | Burrito Común | Sanã-parda | Laterallus melanophaius | Native | 1 |
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| 6 | Accipitriformes | Accipitridae | Long-winged Harrier | Gavilán Planeador | Gavião-do-banhado | Circus buffoni | Native | 1 |
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| 7 | Passeriformes | Furnariidae | Bay-capped Wren-Spinetail | Espartillero Enano | Boininha | Spartonoica maluroides | Native | 1 |
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