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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native | 1 |
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| 2 | Anatidae | White-faced Whistling Duck | Sirirí Pampa | Irerê | Dendrocygna viduata | Native | 1 |
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| 3 | Pelecaniformes | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native | 1 |
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| 4 | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native | 1 |
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| 5 | Passeriformes | Icteridae | White-browed Meadowlark | Pecho Colorado | Polícia-inglesa-do-sul | Leistes superciliaris | Native | 1 |
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