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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Charadriiformes | Haematopodidae | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native | 1 |
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| 2 | Charadriidae | Collared Plover | Chorlito de Collar | Batuíra-de-coleira | Anarhynchus collaris | Native | 1 |
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| 3 | Laridae | Snowy-crowned Tern | Gaviotín Lagunero | Trinta-réis-de-coroa-branca | Sterna trudeaui | Native | 1 |
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| 4 | South American Tern | Gaviotín Sudamericano | Trinta-réis-de-bico-vermelho | Sterna hirundinacea | Native | 1 |
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| 5 | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native | 1 |
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| 6 | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native | 1 |
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| 7 | Procellariiformes | Procellariidae | Southern Giant Petrel | Petrel Gigante Común | Petrel-gigante | Macronectes giganteus | Native | 1 |
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