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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 | Lesser Rhea | Choique | Rhea pennata | Native | 1 |
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| 2 | Podicipediformes | Podicipedidae | White-tufted Grebe | Macá Común | Mergulhão-de-orelha-branca | Rollandia rolland | Native | 1 |
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| 3 | Accipitriformes | Accipitridae | Cinereous Harrier | Gavilán Ceniciento | Gavião-cinza | Circus cinereus | Native | 1 |
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| 4 | Passeriformes | Hirundinidae | Sand Martin | Golondrina Zapadora | Andorinha-do-barranco | Riparia riparia | Native | 1 |
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| 5 | Mimidae | Patagonian Mockingbird | Calandria Mora | Mimus patagonicus | Native | 1 |
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| 6 | Thraupidae | Mourning Sierra Finch | Yal Negro | Canário-andino-negro | Rhopospina fruticeti | Native | 1 |
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