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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 | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 3 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 4 | Pelecaniformes | Threskiornithidae | Bare-faced Ibis | Cuervillo Cara Pelada | Tapicuru | Phimosus infuscatus | Native |
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| 5 | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native |
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| 6 | Passeriformes | Tyrannidae | Vermilion Flycatcher | Churrinche | Príncipe | Pyrocephalus rubinus | Native |
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| 7 | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native |
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| 8 | Icteridae | Chestnut-capped Blackbird | Varillero Congo | Garibaldi | Chrysomus ruficapillus | Native |
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| 9 | Carnivora | Mephitidae | Molina´s Hog-nosed Skunk | Zorrino | Conepatus chinga | Native |
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