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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 2 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native | 1 |
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| 3 | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native | 1 |
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| 4 | Striated Heron | Garcita Azulada | Socozinho | Butorides striata | Native | 1 |
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| 5 | Passeriformes | Thraupidae | Double-collared Seedeater | Corbatita Común | Coleirinho | Sporophila caerulescens | Native | 1 |
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