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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Cuculiformes | Cuculidae | Smooth-billed Ani | Anó Chico | Anu-preto | Crotophaga ani | Native | 2 |
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| 2 | Ciconiiformes | Ciconiidae | Wood Stork | Tuyuyú | Cabeça-seca | Mycteria americana | Native | 1 |
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| 3 | Suliformes | Anhingidae | Anhinga | Aninga | Biguatinga | Anhinga anhinga | Native | 2 |
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| 4 | Pelecaniformes | Threskiornithidae | Plumbeous Ibis | Bandurria Mora | Maçarico-real | Theristicus caerulescens | Native | 4 |
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| 5 | Passeriformes | Furnariidae | Greater Thornbird | Espinero Grande | Graveteiro | Phacellodomus ruber | Native | 1 |
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| 6 | Carnivora | Mustelidae | Lesser Grison | Hurón Menor | Furão-pequeno | Galictis cuja | Native | 1 |
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| 7 | Neotropical Otter | Lobito de Río | Lontra longicaudis | Native | 113 |
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| 8 | Felidae | Geoffroy´s Cat | Gato Montés | Gato-do-mato | Leopardus geoffroyi | Native | 1 |
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