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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native | 1 |
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| 2 | Anatidae | White-faced Whistling Duck | Sirirí Pampa | Irerê | Dendrocygna viduata | Native | 1 |
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| 3 | Lake Duck | Pato Zambullidor Chico | Marreca-pé-na-bunda | Oxyura vittata | Native | 1 |
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| 4 | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 5 | White-cheeked Pintail | Pato Gargantilla | Marreca-toicinho | Anas bahamensis | Native | 1 |
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| 6 | Gruiformes | Rallidae | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native | 1 |
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| 7 | Charadriiformes | Charadriidae | American Golden Plover | Chorlo Pampa | Batuiruçu | Pluvialis dominica | Native | 1 |
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| 8 | Scolopacidae | Buff-breasted Sandpiper | Playerito Canela | Macarico acanelado | Calidris subruficollis | Native | 1 |
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| 9 | White-rumped Sandpiper | Playerito Rabadilla Blanca | Maçarico-de-sobre-branco | Calidris fuscicollis | Native | 1 |
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