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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Anseriformes | Anatidae | Yellow-billed Pintail | Pato Maicero | Marreca-parda | Anas georgica | Native |
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| 2 | Charadriiformes | Haematopodidae | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native |
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| 3 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 4 | Pelecaniformes | Ardeidae | Black-crowned Night Heron | Garza Bruja | Socó-dorminhoco | Nycticorax nycticorax | Native |
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| 5 | Artiodactyla | Delphinidae | Commerson´s Dolphin | Tonina Overa | Cephalorhynchus commersonii | Native |
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