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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Squamata | Amphisbaenidae | Vibora Ciega | Amphisbaena darwinii | Native | |||||
| 2 | Colubridae | Yellow bellied Snake | Culebra Verde y Negra | Cobra-do-capim | Erythrolamprus poecilogyrus | Native | ||||
| 3 | Testudines | Chelidae | Argentine Snake-necked Turtle | Tortuga Cuello de Serpiente | Hydromedusa tectifera | Native | ||||
| 4 | Anseriformes | Anatidae | Yellow-billed Teal | Pato Barcino | Marreca-pardinha | Anas flavirostris | Native |
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| 5 | Podicipediformes | Podicipedidae | Least Grebe | Macá Gris | Mergulhão-pequeno | Tachybaptus dominicus | Native |
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| 6 | Psittaciformes | Psittacidae | Green-cheeked Parakeet | Chiripepé Cabeza Parda | Tiriba-de-cara-suja | Pyrrhura molinae | Native |
| ||
| 7 | Passeriformes | Tyrannidae | Bran-colored Flycatcher | Mosqueta Estriada | Filipe | Myiophobus fasciatus | Native |
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| 8 | Parulidae | Golden-crowned Warbler | Arañero Coronado Chico | Pula-pula | Basileuterus culicivorus | Native |
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| 9 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native |
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