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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata |
| 2 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major |
| 3 | Pelecaniformes | Ardeidae | Striated Heron | Garcita Azulada | Socozinho | Butorides striata |
| 4 | Piciformes | Picidae | Checkered Woodpecker | Carpintero Bataraz Chico | Pica-pau-chorão | Veniliornis mixtus |