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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 | Charadriiformes | Jacanidae | Wattled Jacana | Jacana | Jaçanã | Jacana jacana | Native |
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| 3 | Ciconiiformes | Ciconiidae | Wood Stork | Tuyuyú | Cabeça-seca | Mycteria americana | Native |
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| 4 | Jabiru | Yabirú | Tuiuiú | Jabiru mycteria | Native |
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| 5 | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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| 6 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native |
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| 7 | Ardeidae | Whistling Heron | Chiflón | Maria-faceira | Syrigma sibilatrix | Native |
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| 8 | Accipitriformes | Accipitridae | Black-collared Hawk | Aguilucho Pampa | Gavião-belo | Busarellus nigricollis | Native |
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| 9 | Passeriformes | Icteridae | Chestnut-capped Blackbird | Varillero Congo | Garibaldi | Chrysomus ruficapillus | Native |
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