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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native | 1 |
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| 2 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native | 1 |
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| 3 | Pelecaniformes | Threskiornithidae | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native | 1 |
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| 4 | Accipitriformes | Accipitridae | Plumbeous Kite | Milano Plomizo | Sovi | Ictinia plumbea | Native | 1 |
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| 5 | Passeriformes | Tyrannidae | Fork-tailed Flycatcher | Tijereta | Tesourinha | Tyrannus savana | Native | 1 |
| ||
| 6 | Thraupidae | Red-crested Cardinal | Cardenal Común | Cardeal | Paroaria coronata | Native | 1 |
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