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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 2 | Anatidae | Silver Teal | Pato Capuchino | Marreca-cricri | Spatula versicolor | Native |
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| 3 | Podicipediformes | Podicipedidae | Pied-billed Grebe | Macá Pico Grueso | Mergulhão-caçador | Podilymbus podiceps | Native |
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| 4 | Pelecaniformes | Threskiornithidae | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native |
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| 5 | Accipitriformes | Accipitridae | Long-winged Harrier | Gavilán Planeador | Gavião-do-banhado | Circus buffoni | Native |
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| 6 | Passeriformes | Tyrannidae | Sooty Tyrannulet | Piojito Gris | João-pobre | Serpophaga nigricans | Native |
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| 7 | Thraupidae | Saffron Finch | Jilguero Dorado | Canário-da-terra-verdadeiro | Sicalis flaveola | Native |
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