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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 | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native | 1 |
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| 2 | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 3 | Red Shoveler | Pato Cuchara | Marreca-colhereira | Spatula platalea | Native | 1 |
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| 4 | Chiloe Wigeon | Pato Overo | Marreca-oveira | Mareca sibilatrix | Native | 1 |
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| 5 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native | 1 |
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| 6 | Charadriiformes | Laridae | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native | 1 |
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| 7 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native | 1 |
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| 8 | Pelecaniformes | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native | 1 |
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| 9 | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native | 1 |
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| 10 | Passeriformes | Furnariidae | Wren-like Rushbird | Junquero | Bate-bico | Phleocryptes melanops | Native | 1 |
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