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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 | Anatidae | Fulvous Whistling Duck | Sirirí Colorado | Marreca-caneleira | Dendrocygna bicolor | Native |
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| 3 | Phoenicopteriformes | Phoenicopteridae | Chilean Flamingo | Flamenco Austral | Flamingo-chileno | Phoenicopterus chilensis | Native |
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| 4 | Charadriiformes | Jacanidae | Wattled Jacana | Jacana | Jaçanã | Jacana jacana | Native |
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| 5 | Pelecaniformes | Ardeidae | Stripe-backed Bittern | Mirasol Común | Socoí-amarelo | Botaurus involucris | Native |
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| 6 | Strigiformes | Tytonidae | American Barn Owl | Lechuza de Campanario | Suindara | Tyto furcata | Native |
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