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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Araneae | Uloboridae | Uloboridae sp. | Not listed | 1 | ||||||
| 2 | Anseriformes | Anatidae | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native | 1 |
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| 3 | Charadriiformes | Jacanidae | Wattled Jacana | Jacana | Jaçanã | Jacana jacana | Native | 1 |
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| 4 | Scolopacidae | Hudsonian Godwit | Becasa de Mar | Maçarico-de-bico-virado | Limosa haemastica | Native | 1 |
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| 5 | Passeriformes | Furnariidae | Yellow-chinned Spinetail | Curutié Colorado | Curutié | Certhiaxis cinnamomeus | Native | 1 |
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| 6 | Icteridae | Yellow-winged Blackbird | Varillero Ala Amarilla | Sargento | Agelasticus thilius | Native | 1 |
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| 7 | Chestnut-capped Blackbird | Varillero Congo | Garibaldi | Chrysomus ruficapillus | Native | 1 |
| ||||
| 8 | Carnivora | Mustelidae | Lesser Grison | Hurón Menor | Furão-pequeno | Galictis cuja | Native | 1 |
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