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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Red Shoveler | Pato Cuchara | Marreca-colhereira | Spatula platalea | Native |
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| 2 | Chiloe Wigeon | Pato Overo | Marreca-oveira | Mareca sibilatrix | Native |
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| 3 | Charadriiformes | Laridae | Yellow-billed Tern | Gaviotín Chico Fluvial | Trinta-réis-anão | Sternula superciliaris | Native |
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| 4 | Pelecaniformes | Ardeidae | Little Blue Heron | Garza Azul | Garça-azul | Egretta caerulea | Native |
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| 5 | Accipitriformes | Accipitridae | Long-winged Harrier | Gavilán Planeador | Gavião-do-banhado | Circus buffoni | Native |
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