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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Podicipediformes | Podicipedidae | White-tufted Grebe | Macá Común | Mergulhão-de-orelha-branca | Rollandia rolland | Native | 1 |
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| 2 | Gruiformes | Rallidae | Spot-flanked Gallinule | Pollona Pintada | Frango-d´água-carijó | Porphyriops melanops | Native | 1 |
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| 3 | Red-gartered Coot | Gallareta Ligas Rojas | Carqueja-de-bico-manchado | Fulica armillata | Native | 1 |
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| 4 | Charadriiformes | Scolopacidae | Greater Yellowlegs | Pitotoy Grande | Maçarico-grande-de-perna-amarela | Tringa melanoleuca | Native | 1 |
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| 5 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native | 1 |
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