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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 | Tinamiformes | Tinamidae | Spotted Nothura | Inambú Común | Codorna-amarela | Nothura maculosa | Native |
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| 3 | Anseriformes | Anatidae | Black-necked Swan | Cisne Cuello Negro | Cisne-de-pescoço-preto | Cygnus melancoryphus | Native |
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| 4 | Gruiformes | Aramidae | Limpkin | Carau | Carão | Aramus guarauna | Native |
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| 5 | Pelecaniformes | Ardeidae | Western Cattle Egret | Garcita Bueyera | Garça-vaqueira | Ardea ibis | Native |
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| 6 | Passeriformes | Tyrannidae | White Monjita | Monjita Blanca | Noivinha | Xolmis irupero | Native |
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| 7 | Icteridae | Yellow-winged Blackbird | Varillero Ala Amarilla | Sargento | Agelasticus thilius | Native |
| |||
| 8 | Chestnut-capped Blackbird | Varillero Congo | Garibaldi | Chrysomus ruficapillus | Native |
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