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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 | Wood Stork | Tuyuyú | Cabeça-seca | Mycteria americana | Native | 1 |
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| 3 | Pelecaniformes | Threskiornithidae | Roseate Spoonbill | Espátula Rosada | Colhereiro | Platalea ajaja | Native | 1 |
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| 4 | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native | 1 |
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| 5 | Passeriformes | Tyrannidae | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native | 1 |
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| 6 | Thraupidae | Grassland Yellow Finch | Misto | Tipio | Sicalis luteola | Native | 1 |
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