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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Gruiformes | Rallidae | Plumbeous Rail | Gallineta Común | Saracura-do-banhado | Pardirallus sanguinolentus | Native | 1 |
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| 2 | Passeriformes | Furnariidae | Wren-like Rushbird | Junquero | Bate-bico | Phleocryptes melanops | Native | 1 |
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| 3 | Buff-winged Cinclodes | Remolinera Común | Pedreiro-dos-andes | Cinclodes fuscus | Native | 1 |
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| 4 | Icteridae | White-browed Meadowlark | Pecho Colorado | Polícia-inglesa-do-sul | Leistes superciliaris | Native | 1 |
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| 5 | Yellow-winged Blackbird | Varillero Ala Amarilla | Sargento | Agelasticus thilius | Native | 1 |
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| 6 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native | 1 |
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