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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 | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 4 | Procellariiformes | Procellariidae | Puffinus sp. | Not listed | ||||||
| 5 | Southern Giant Petrel | Petrel Gigante Común | Petrel-gigante | Macronectes giganteus | Native |
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| 6 | Manx Shearwater | Pardela Boreal | Bobo-pequeno | Puffinus puffinus | Native |
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| 7 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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