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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 2 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native | 1 |
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| 3 | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native | 1 |
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| 4 | Ardeidae | Black-crowned Night Heron | Garza Bruja | Socó-dorminhoco | Nycticorax nycticorax | Native | 1 |
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| 5 | Passeriformes | Thraupidae | Pampa Finch | Verdón | Sabiá-do-banhado | Embernagra platensis | Native | 1 |
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