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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Pleuronectiformes | Achiridae | American Sole | Lenguado de Río | Catathyridium jenynsii | Not listed | ||||
| 2 | Coleoptera | Elateridae | Firefly Tuco | Tuco Luciérnaga | Pyrophorus punctatissimus | Native | ||||
| 3 | Scarabaeidae | Torito | Diloboderus abderus | Native | ||||||
| 4 | Lepidoptera | Hesperiidae | Common Checkered | Ajedrezada Común | Pyrgus orcus | Native | ||||
| 5 | Pieridae | Apricot Sulphur | Yema | Phoebis argante | Native | |||||
| 6 | Mesogastropoda | Ampullariidae | Giant Uruguay River Snail | Caracol Gigante del Río Uruguay | Pomacea megastoma | Native | ||||
| 7 | Anura | Hylidae | Lesser Snouted Tree-frog | Ranita Hocicuda de Pecho Manchado | Scinax nasicus | Native | ||||
| 8 | Charadriiformes | Charadriidae | Collared Plover | Chorlito de Collar | Batuíra-de-coleira | Anarhynchus collaris | Native |
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| 9 | Laridae | Grey-headed Gull | Gaviota Capucho Gris | Gaivota-de-cabeça-cinza | Chroicocephalus cirrocephalus | Native |
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| 10 | Pelecaniformes | Ardeidae | Snowy Egret | Garcita Blanca | Garça-branca-pequena | Egretta thula | Native |
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