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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Crested Duck | Pato Crestón | Lophonetta specularioides | Native |
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| 2 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 3 | Charadriiformes | Haematopodidae | Magellanic Oystercatcher | Ostrero Austral | Haematopus leucopodus | Native |
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| 4 | Scolopacidae | Hudsonian Godwit | Becasa de Mar | Maçarico-de-bico-virado | Limosa haemastica | Native |
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| 5 | Laridae | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native |
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| 6 | Dolphin Gull | Gaviota Gris | Gaivota-austral | Leucophaeus scoresbii | Native |
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| 7 | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 8 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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