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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 | Rosy-billed Pochard | Pato Picazo | Marrecão | Netta peposaca | Native | 1 |
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| 2 | Gruiformes | Rallidae | Plumbeous Rail | Gallineta Común | Saracura-do-banhado | Pardirallus sanguinolentus | Native | 1 |
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| 3 | Red-fronted Coot | Gallareta Escudete Rojo | Carqueja-de-escudo-vermelho | Fulica rufifrons | Native | 1 |
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| 4 | Passeriformes | Tyrannidae | Sooty Tyrannulet | Piojito Gris | João-pobre | Serpophaga nigricans | Native | 1 |
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| 5 | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native | 1 |
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| 6 | Furnariidae | Wren-like Rushbird | Junquero | Bate-bico | Phleocryptes melanops | Native | 1 |
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| 7 | Fringillidae | Hooded Siskin | Cabecitanegra Común | Pintassilgo | Spinus magellanicus | Native | 1 |
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| 8 | Icteridae | Brown-and-yellow Marshbird | Pecho Amarillo Común | Dragão | Pseudoleistes virescens | Native | 1 |
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| 9 | Thraupidae | Pampa Finch | Verdón | Sabiá-do-banhado | Embernagra platensis | Native | 2 |
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