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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 | Accipitriformes | Accipitridae | Variable Hawk | Aguilucho Común | Gavião-de-costas-vermelhas | Geranoaetus polyosoma | Native | 1 |
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| 3 | Passeriformes | Tyrannidae | Crowned Slaty Flycatcher | Tuquito Gris | Peitica-de-chapéu-preto | Empidonomus aurantioatrocristatus | Native | 1 |
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| 4 | Turdidae | Chiguanco Thrush | Zorzal Chiguanco | Turdus chiguanco | Native | 1 |
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