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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Chionidae | Snowy Sheathbill | Paloma Antártica | Pomba-antártica | Chionis albus | Native |
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| 2 | Laridae | South American Tern | Gaviotín Sudamericano | Trinta-réis-de-bico-vermelho | Sterna hirundinacea | Native |
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| 3 | Olrog´s Gull | Gaviota Cangrejera | Gaivota-de-rabo-preto | Larus atlanticus | Native |
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| 4 | Kelp Gull | Gaviota Cocinera | Gaivotão | Larus dominicanus | Native |
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| 5 | Pelecaniformes | Ardeidae | Stripe-backed Bittern | Mirasol Común | Socoí-amarelo | Botaurus involucris | Native |
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| 6 | Striated Heron | Garcita Azulada | Socozinho | Butorides striata | Native |
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| 7 | Passeriformes | Tyrannidae | Sooty Tyrannulet | Piojito Gris | João-pobre | Serpophaga nigricans | Native |
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| 8 | Tropical Kingbird | Suirirí Real | Suiriri | Tyrannus melancholicus | Native |
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| 9 | Rodentia | Echimyidae | Coypu | Coipo | Ratão-do-banhado | Myocastor coypus | Native |
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