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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Crocodilia | Alligatoridae | Yacare Caiman | Yacaré Negro | Jacaré-do-pantanal | Caiman yacare | Native | 1 | |||
| 2 | Pelecaniformes | Threskiornithidae | Buff-necked Ibis | Bandurria Boreal | Curicaca | Theristicus caudatus | Native | 1 |
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| 3 | Passeriformes | Icteridae | Solitary Cacique | Boyero Negro | Japiim-preto | Cacicus solitarius | Native | 1 |
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| 4 | Thraupidae | Bluish-grey Saltator | Pepitero Gris | Sabiá-gongá | Saltator coerulescens | Native | 1 |
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