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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Records | Conservation status | Notes | ||
| 1 | Lepidoptera | Riodinidae | Danzarina Chica | Riodina lysippoides | Native | 1 | |||||
| 2 | Rheiformes | Rheidae | Greater Rhea | Ñandú | Ema | Rhea americana | Native | 1 |
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| 3 | Anseriformes | Anatidae | Coscoroba Swan | Coscoroba | Capororoca | Coscoroba coscoroba | Native | 1 |
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| 4 | Charadriiformes | Scolopacidae | Stilt Sandpiper | Playerito Zancudo | Maçarico-pernilongo | Calidris himantopus | Native | 1 |
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| 5 | Coraciiformes | Alcedinidae | Green Kingfisher | Martín Pescador Chico | Martim-pescador-pequeno | Chloroceryle americana | Native | 1 |
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| 6 | Passeriformes | Furnariidae | Chotoy Spinetail | Chotoy | Bichoita | Schoeniophylax phryganophilus | Native | 1 |
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| 7 | Rodentia | Caviidae | Brazilian Guinea Pig | Cuis Grande | Cavia aperea | Native | 1 |
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| 8 | Carnivora | Procyonidae | Crab-eating Raccoon | Aguará Popé | Procyon cancrivorus | Native | 1 |
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