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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Common Goldeneye | Porrón osculado | Bucephala clangula | Native |
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| 2 | Common Merganser | Serreta Grande | Mergus merganser | Native |
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| 3 | Podicipediformes | Podicipedidae | Pied-billed Grebe | Macá Pico Grueso | Mergulhão-caçador | Podilymbus podiceps | Native |
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| 4 | Gruiformes | Rallidae | American Coot | Focha Americana | Fulica americana | Native |
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| 5 | Charadriiformes | Laridae | American Herring Gull | Gaviota Argéntea Americana | Larus smithsonianus | Native |
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| 6 | California Gull | Gaviota Californiana | Larus californicus | Native |
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