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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Barnacle Goose | Barnacla Cariblanca | Branta leucopsis | Native | 1 |
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| 2 | Gaviiformes | Gaviidae | Common Loon | Colimbo Grande | Gavia immer | Native | 1 |
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