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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native |
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| 2 | Charadriiformes | Haematopodidae | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native |
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| 3 | Laridae | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 4 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 5 | Accipitriformes | Accipitridae | Variable Hawk | Aguilucho Común | Gavião-de-costas-vermelhas | Geranoaetus polyosoma | Native |
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| 6 | Falconiformes | Falconidae | Peregrine Falcon | Halcón Peregrino | Falcão-peregrino | Falco peregrinus | Native |
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| 7 | Artiodactyla | Balaenidae | Southern Right Whale | Ballena Franca Austral | Eubalaena australis | Native |
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