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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 | Black-necked Swan | Cisne Cuello Negro | Cisne-de-pescoço-preto | Cygnus melancoryphus | Native | 1 |
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| 2 | Crested Duck | Pato Crestón | Lophonetta specularioides | Native | 1 |
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| 3 | Charadriiformes | Haematopodidae | Blackish Oystercatcher | Ostrero Negro | Haematopus ater | Native | 1 |
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| 4 | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native | 1 |
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| 5 | Laridae | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native | 1 |
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| 6 | Passeriformes | Fringillidae | Black-chinned Siskin | Cabecitanegra Austral | Spinus barbatus | Native | 1 |
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