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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Laridae | Snowy-crowned Tern | Gaviotín Lagunero | Trinta-réis-de-coroa-branca | Sterna trudeaui | Native |
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| 2 | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native |
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| 3 | Olrog´s Gull | Gaviota Cangrejera | Gaivota-de-rabo-preto | Larus atlanticus | Native |
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| 4 | Procellariiformes | Procellariidae | Southern Giant Petrel | Petrel Gigante Común | Petrel-gigante | Macronectes giganteus | Native |
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