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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 2 | Charadriiformes | Haematopodidae | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native |
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| 3 | Laridae | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 4 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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