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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native |
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| 2 | Coraciiformes | Alcedinidae | Ringed Kingfisher | Martín Pescador Grande | Martim-pescador-grande | Megaceryle torquata | Native |
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| 3 | Passeriformes | Fringillidae | Hooded Siskin | Cabecitanegra Común | Pintassilgo | Spinus magellanicus | Native |
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| 4 | Rodentia | Caviidae | Greater Capybara | Carpincho | Capivara | Hydrochoerus hydrochaeris | Native |
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