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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 2 | Anatidae | Black-headed Duck | Pato Cabeza Negra | Marreca-de-cabeça-preta | Heteronetta atricapilla | Native |
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| 3 | Charadriiformes | Scolopacidae | Greater Yellowlegs | Pitotoy Grande | Maçarico-grande-de-perna-amarela | Tringa melanoleuca | Native |
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| 4 | Laridae | Gull-billed Tern | Gaviotín Pico Grueso | Trinta-réis-de-bico-preto | Gelochelidon nilotica | Native |
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| 5 | Pelecaniformes | Ardeidae | Black-crowned Night Heron | Garza Bruja | Socó-dorminhoco | Nycticorax nycticorax | Native |
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| 6 | Accipitriformes | Accipitridae | Roadside Hawk | Taguató Común | Gavião-carijó | Rupornis magnirostris | Native |
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| 7 | Passeriformes | Tyrannidae | Cattle Tyrant | Picabuey | Suiriri-cavaleiro | Machetornis rixosa | Native |
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| 8 | Great Kiskadee | Benteveo Común | Bem-te-vi | Pitangus sulphuratus | Native |
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| 9 | Thraupidae | Grassland Yellow Finch | Misto | Tipio | Sicalis luteola | Native |
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