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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Stercorariidae | Brown Skua | Salteador Subantártico | Mandrião-antártico | Stercorarius antarcticus | Native |
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| 2 | Laridae | South American Tern | Gaviotín Sudamericano | Trinta-réis-de-bico-vermelho | Sterna hirundinacea | Native |
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| 3 | Dolphin Gull | Gaviota Gris | Gaivota-austral | Leucophaeus scoresbii | Native |
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| 4 | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 5 | Procellariiformes | Procellariidae | Southern Giant Petrel | Petrel Gigante Común | Petrel-gigante | Macronectes giganteus | Native |
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| 6 | Suliformes | Phalacrocoracidae | Red-legged Cormorant | Cormorán Gris | Poikilocarbo gaimardi | Native |
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| 7 | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 8 | Rock Shag | Cormorán Cuello Negro | Leucocarbo magellanicus | Native |
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| 9 | Imperial Shag | Cormorán Imperial | Leucocarbo atriceps | Native |
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