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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | Belonging | Conservation status | Notes | ||
| 1 | Charadriiformes | Charadriidae | Grey Plover | Chorlo Ártico | Batuiruçu-de-axila-preta | Pluvialis squatarola | Native |
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| 2 | Scolopacidae | Stilt Sandpiper | Playerito Zancudo | Maçarico-pernilongo | Calidris himantopus | Native |
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| 3 | Semipalmated Sandpiper | Playerito Enano | Maçarico-rasteirinho | Calidris pusilla | Native |
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| 4 | Least Sandpiper | Playerito Menor | Maçariquinho | Calidris minutilla | Native |
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| 5 | Apodiformes | Trochilidae | Rufous-throated Sapphire | Picaflor Cola Castaña | Beija-flor-safira | Hylocharis sapphirina | Native |
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| 6 | Carnivora | Canidae | Maned Wolf | Aguará Guazú | Lobo-guará | Chrysocyon brachyurus | Native |
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