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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Decapoda | Varunidae | Cangrejo de las Rocas | Cyrtograpsus angulatus | Native | |||||
| 2 | Anseriformes | Anhimidae | Southern Screamer | Chajá | Tachã | Chauna torquata | Native |
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| 3 | Ciconiiformes | Ciconiidae | Maguari Stork | Cigüeña Americana | Maguari | Ciconia maguari | Native |
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