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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Podicipediformes | Podicipedidae | White-tufted Grebe | Macá Común | Mergulhão-de-orelha-branca | Rollandia rolland | Native |
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| 2 | Pied-billed Grebe | Macá Pico Grueso | Mergulhão-caçador | Podilymbus podiceps | Native |
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| 3 | Great Grebe | Macá Grande | Mergulhao-grande o chorona | Podiceps major | Native |
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| 4 | Suliformes | Phalacrocoracidae | Neotropic Cormorant | Biguá | Biguá | Nannopterum brasilianum | Native |
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| 5 | Pelecaniformes | Threskiornithidae | White-faced Ibis | Cuervillo de Cañada | Caraúna | Plegadis chihi | Native |
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| 6 | Ardeidae | Rufescent Tiger Heron | Hocó Colorado | Socó-boi | Tigrisoma lineatum | Native |
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| 7 | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native |
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| 8 | Great Egret | Garza Blanca | Garça-branca-grande | Ardea alba | Native |
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| 9 | Cocoi Heron | Garza Mora | Garça-moura | Ardea cocoi | Native |
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