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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Squamata | Teiidae | Teyú | Teius teyou | Native | |||||
| 2 | Podicipediformes | Podicipedidae | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 3 | Gruiformes | Rallidae | Red-gartered Coot | Gallareta Ligas Rojas | Carqueja-de-bico-manchado | Fulica armillata | Native |
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| 4 | White-winged Coot | Gallareta Chica | Carqueja-de-bico-amarelo | Fulica leucoptera | Native |
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| 5 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 6 | Pelecaniformes | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native |
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| 7 | Passeriformes | Tyrannidae | Crowned Slaty Flycatcher | Tuquito Gris | Peitica-de-chapéu-preto | Empidonomus aurantioatrocristatus | Native |
| ||
| 8 | Passerellidae | Rufous-collared Sparrow | Chingolo | Tico-tico | Zonotrichia capensis | Native |
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| 9 | Parulidae | Southern Yellowthroat | Arañero Cara Negra | Pia-cobra | Geothlypis velata | Native |
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