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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 | White-faced Whistling Duck | Sirirí Pampa | Irerê | Dendrocygna viduata | Native |
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| 3 | Rosy-billed Pochard | Pato Picazo | Marrecão | Netta peposaca | Native |
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| 4 | Gruiformes | Aramidae | Limpkin | Carau | Carão | Aramus guarauna | Native |
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| 5 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 6 | Pelecaniformes | Ardeidae | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native |
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| 7 | Accipitriformes | Accipitridae | Snail Kite | Caracolero | Gavião-caramujeiro | Rostrhamus sociabilis | Native |
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