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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Charadriiformes | Laridae | Brown-hooded Gull | Gaviota Capucho Café | Gaivota-maria-velha | Chroicocephalus maculipennis | Native | 1 |
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| 2 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native | 1 |
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| 3 | Pelecaniformes | Ardeidae | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native | 1 |
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| 4 | Passeriformes | Hirundinidae | Barn Swallow | Golondrina Tijerita | Andorinha-de-bando | Hirundo rustica | Native | 1 |
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| 5 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native | 1 |
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