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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Characiformes | Characidae | Uruguay tetra | Piava | Cheirodon interruptus | Native | ||||
| 2 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 3 | Anatidae | White-faced Whistling Duck | Sirirí Pampa | Irerê | Dendrocygna viduata | Native |
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| 4 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 5 | Gruiformes | Rallidae | Spot-flanked Gallinule | Pollona Pintada | Frango-d´água-carijó | Porphyriops melanops | Native |
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| 6 | Pelecaniformes | Ardeidae | Rufescent Tiger Heron | Hocó Colorado | Socó-boi | Tigrisoma lineatum | Native |
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| 7 | Accipitriformes | Accipitridae | Roadside Hawk | Taguató Común | Gavião-carijó | Rupornis magnirostris | Native |
| ||
| 8 | Passeriformes | Icteridae | Greyish Baywing | Tordo Músico | Asa-de-telha | Agelaioides badius | Native |
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