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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 | Anseriformes | Anatidae | Brazilian Teal | Pato Cutirí | Marreca-ananaí | Amazonetta brasiliensis | Native | 1 |
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| 3 | Yellow-billed Teal | Pato Barcino | Marreca-pardinha | Anas flavirostris | Native | 1 |
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| 4 | Columbiformes | Columbidae | White-tipped Dove | Yerutí Común | Juriti-pupu | Leptotila verreauxi | Native | 1 |
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| 5 | Pelecaniformes | Ardeidae | Whistling Heron | Chiflón | Maria-faceira | Syrigma sibilatrix | Native | 1 |
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| 6 | Accipitriformes | Accipitridae | Harris´s Hawk | Gavilán Mixto | Gavião-asa-de-telha | Parabuteo unicinctus | Native | 2 |
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| 7 | White-tailed Hawk | Aguilucho Alas Largas | Gavião-de-rabo-branco | Geranoaetus albicaudatus | Native | 1 |
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| 8 | Passeriformes | Hirundinidae | Brown-chested Martin | Golondrina Parda | Andorinha-do-campo | Progne tapera | Native | 1 |
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| 9 | Thraupidae | Pampa Finch | Verdón | Sabiá-do-banhado | Embernagra platensis | Native | 1 |
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