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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native | 1 |
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| 2 | Ciconiiformes | Ciconiidae | Jabiru | Yabirú | Tuiuiú | Jabiru mycteria | Native | 1 |
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| 3 | Pelecaniformes | Threskiornithidae | Buff-necked Ibis | Bandurria Boreal | Curicaca | Theristicus caudatus | Native | 1 |
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| 4 | Caprimulgiformes | Caprimulgidae | Pauraque | Curiango | Bacurau | Nyctidromus albicollis | Native | 1 |
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| 5 | Little Nightjar | Atajacaminos Chico | Bacurau-chintã | Setopagis parvula | Native | 1 |
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