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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native |
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| 2 | Anseriformes | Anatidae | Red Shoveler | Pato Cuchara | Marreca-colhereira | Spatula platalea | Native |
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| 3 | Pelecaniformes | Threskiornithidae | Bare-faced Ibis | Cuervillo Cara Pelada | Tapicuru | Phimosus infuscatus | Native |
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| 4 | Passeriformes | Tyrannidae | Suiriri Flycatcher | Suirirí Común | Suiriri-cinzento | Suiriri suiriri | Native |
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| 5 | Vermilion Flycatcher | Churrinche | Príncipe | Pyrocephalus rubinus | Native |
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| 6 | White Monjita | Monjita Blanca | Noivinha | Xolmis irupero | Native |
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| 7 | Grey Monjita | Monjita Gris | Primavera | Nengetus cinereus | Native |
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| 8 | Thraupidae | Yellow Cardinal | Cardenal Amarillo | Cardeal-amarelo | Gubernatrix cristata | Native |
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| 9 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native |
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| 10 | Carnivora | Mephitidae | Molina´s Hog-nosed Skunk | Zorrino | Conepatus chinga | Native |
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