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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Squamata | Teiidae | White-and-black Tegu Lizard | Lagarto Overo | Teiú-gigante | Salvator merianae | Native | |||
| 2 | Anseriformes | Anatidae | Black-necked Swan | Cisne Cuello Negro | Cisne-de-pescoço-preto | Cygnus melancoryphus | Native |
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| 3 | Gruiformes | Aramidae | Limpkin | Carau | Carão | Aramus guarauna | Native |
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| 4 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 5 | Pelecaniformes | Ardeidae | Whistling Heron | Chiflón | Maria-faceira | Syrigma sibilatrix | Native |
| ||
| 6 | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native |
| ||||
| 7 | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native |
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