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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Pedunculata | Lepadidae | Percebe Cuello De Cisne | Lepas anatifera | Native | |||||
| 2 | Hemiptera | Coreidae | Chinche del Mburucuyá | Holhymenia histrio | Native | |||||
| 3 | Largidae | Largus rufipennis | Native | |||||||
| 4 | Anura | Leptodactylidae | Ranita Gato | Physalaemus gracilis | Native | |||||
| 5 | Charadriiformes | Haematopodidae | American Oystercatcher | Ostrero Común | Piru-piru | Haematopus palliatus | Native |
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| 6 | Charadriidae | Semipalmated Plover | Chorlito Palmado | Batuíra-de-bando | Charadrius semipalmatus | Native |
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| 7 | Passeriformes | Hirundinidae | Grey-breasted Martin | Golondrina Doméstica | Andorinha-grande | Progne chalybea | Native |
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| 8 | Thraupidae | Saffron Finch | Jilguero Dorado | Canário-da-terra-verdadeiro | Sicalis flaveola | Native |
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