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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Yellow-billed Pintail | Pato Maicero | Marreca-parda | Anas georgica | Native |
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| 2 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 3 | Gruiformes | Rallidae | Common Gallinule | Pollona Negra | Galinha-d’água | Gallinula galeata | Native |
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| 4 | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native |
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| 5 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 6 | Pelecaniformes | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native |
| ||
| 7 | Falconiformes | Falconidae | Crested Caracara | Carancho | Carcará | Caracara plancus | Native |
| ||
| 8 | Chimango Caracara | Chimango | Chimango | Daptrius chimango | Native |
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