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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 | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 2 | Accipitriformes | Accipitridae | White-tailed Kite | Milano Blanco | Gavião-peneira | Elanus leucurus | Native | 1 |
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| 3 | Passeriformes | Tyrannidae | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native | 1 |
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| 4 | Troglodytidae | Grass Wren | Ratona Aperdizada | Corruíra-do-campo | Cistothorus platensis | Native | 1 |
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| 5 | Motacillidae | Hellmayr´s Pipit | Cachirla Pálida | Caminheiro-de-barriga-acanelada | Anthus hellmayri | Native | 1 |
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| 6 | Passerellidae | Grassland Sparrow | Cachilo Ceja Amarilla | Tico-tico-do-campo | Ammodramus humeralis | Native | 1 |
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| 7 | Rufous-collared Sparrow | Chingolo | Tico-tico | Zonotrichia capensis | Native | 1 |
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| 8 | Icteridae | White-browed Meadowlark | Pecho Colorado | Polícia-inglesa-do-sul | Leistes superciliaris | Native | 1 |
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| 9 | Thraupidae | Grassland Yellow Finch | Misto | Tipio | Sicalis luteola | Native | 1 |
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