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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 | Rosy-billed Pochard | Pato Picazo | Marrecão | Netta peposaca | Native |
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| 3 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 4 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native |
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| 5 | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native |
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| 6 | Ardeidae | Cocoi Heron | Garza Mora | Garça-moura | Ardea cocoi | Native |
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