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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native |
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| 2 | Anseriformes | Anatidae | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native |
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| 3 | White-cheeked Pintail | Pato Gargantilla | Marreca-toicinho | Anas bahamensis | Native |
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| 4 | Yellow-billed Pintail | Pato Maicero | Marreca-parda | Anas georgica | Native |
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| 5 | Yellow-billed Teal | Pato Barcino | Marreca-pardinha | Anas flavirostris | Native |
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| 6 | Charadriiformes | Recurvirostridae | Black-necked Stilt | Tero Real | Pernilongo-de-costas-negras | Himantopus mexicanus | Native |
