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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | White-faced Whistling Duck | Sirirí Pampa | Irerê | Dendrocygna viduata | Native | 1 |
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| 2 | Ringed Teal | Pato de Collar | Marreca-de-coleira | Callonetta leucophrys | Native | 1 |
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| 3 | Yellow-billed Pintail | Pato Maicero | Marreca-parda | Anas georgica | Native | 1 |
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| 4 | Gruiformes | Rallidae | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native | 1 |
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