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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native |
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| 2 | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native |
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| 3 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 4 | Charadriiformes | Recurvirostridae | Black-necked Stilt | Tero Real | Himantopus mexicanus | Native | ||||
| 5 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native |
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| 6 | Passeriformes | Tyrannidae | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native |
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