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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Laridae | Elegant Tern | Gaviotín Elegante | Thalasseus elegans | Native |
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| 2 | Western Gull | Gaviota Occidental | Larus occidentalis | Native |
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| 3 | Suliformes | Phalacrocoracidae | Double-crested Cormorant | Cormorán Orejudo | Nannopterum auritum | Native |
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