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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Scolopacidae | Sanderling | Playerito Blanco | Maçarico-branco | Calidris alba | Native |
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| 2 | Passeriformes | Tyrannidae | Spectacled Tyrant | Pico de Plata | Viuvinha-de-óculos | Hymenops perspicillatus | Native |
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| 3 | Troglodytidae | Grass Wren | Ratona Aperdizada | Corruíra-do-campo | Cistothorus platensis | Native |
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| 4 | Thraupidae | Grassland Yellow Finch | Misto | Tipio | Sicalis luteola | Native |
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