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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 2 | Gruiformes | Rallidae | Giant Wood Rail | Ipacaá | Saracuruçu | Aramides ypecaha | Native |
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| 3 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 4 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 5 | Accipitriformes | Accipitridae | Long-winged Harrier | Gavilán Planeador | Gavião-do-banhado | Circus buffoni | Native |
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| 6 | Savanna Hawk | Aguilucho Colorado | Gaviao-caboclo | Buteogallus meridionalis | Native |
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| 7 | Falconiformes | Falconidae | Crested Caracara | Carancho | Carcará | Caracara plancus | Native |
| ||
| 8 | Passeriformes | Icteridae | Chestnut-capped Blackbird | Varillero Congo | Garibaldi | Chrysomus ruficapillus | Native |
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