Data Zone
| Scientific name | English name | Family | Global IUCN Red List Category |
|---|---|---|---|
| Rhea americana | Greater Rhea | Rheidae (Rheas) | NT |
| Tinamus solitarius | Solitary Tinamou | Tinamidae (Tinamous) | NT |
| Penelope superciliaris | Rusty-margined Guan | Cracidae (Guans, Chachalacas, Curassows) | NT |
| Pipile grayi | White-throated Piping-guan | Cracidae (Guans, Chachalacas, Curassows) | NT |
| Phoenicopterus chilensis | Chilean Flamingo | Phoenicopteridae (Flamingos) | NT |
| Calidris canutus | Red Knot | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Calidris subruficollis | Buff-breasted Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Calidris pusilla | Semipalmated Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Strix chacoensis | Chaco Owl | Strigidae (Typical Owls) | NT |
| Morphnus guianensis | Crested Eagle | Accipitridae (Hawks, Eagles) | NT |
| Spizaetus ornatus | Ornate Hawk-eagle | Accipitridae (Hawks, Eagles) | NT |
| Accipiter poliogaster | Grey-bellied Goshawk | Accipitridae (Hawks, Eagles) | NT |
| Pseudastur polionotus | Mantled Hawk | Accipitridae (Hawks, Eagles) | NT |
| Pteroglossus bailloni | Saffron Toucanet | Ramphastidae (Toucans) | NT |
| Piculus aurulentus | Yellow-browed Woodpecker | Picidae (Woodpeckers) | NT |
| Hylatomus schulzii | Black-bodied Woodpecker | Picidae (Woodpeckers) | NT |
| Falco deiroleucus | Orange-breasted Falcon | Falconidae (Falcons, Caracaras) | NT |
| Alipiopsitta xanthops | Yellow-faced Amazon | Psittacidae (Parrots) | NT |
| Amazona aestiva | Turquoise-fronted Amazon | Psittacidae (Parrots) | NT |
| Primolius maracana | Blue-winged Macaw | Psittacidae (Parrots) | NT |
| Anabacerthia amaurotis | White-browed Foliage-gleaner | Furnariidae (Ovenbirds) | NT |
| Procnias nudicollis | Bare-throated Bellbird | Cotingidae (Cotingas) | NT |
| Phylloscartes paulista | Sao Paulo Tyrannulet | Tyrannidae (Tyrant-flycatchers) | NT |
| Phylloscartes sylviolus | Bay-ringed Tyrannulet | Tyrannidae (Tyrant-flycatchers) | NT |
| Pogonotriccus eximius | Southern Bristle-tyrant | Tyrannidae (Tyrant-flycatchers) | NT |
| Euscarthmus rufomarginatus | Rufous-sided Pygmy-tyrant | Tyrannidae (Tyrant-flycatchers) | NT |
| Polystictus pectoralis | Bearded Tachuri | Tyrannidae (Tyrant-flycatchers) | NT |
| Pseudocolopteryx dinelliana | Dinelli's Doradito | Tyrannidae (Tyrant-flycatchers) | NT |
| Polioptila lactea | Creamy-bellied Gnatcatcher | Polioptilidae (Gnatcatchers) | NT |
| Euphonia chalybea | Green-throated Euphonia | Fringillidae (Finches) | NT |
| Neothraupis fasciata | White-banded Tanager | Thraupidae (Tanagers) | NT |
| Sporophila ruficollis | Dark-throated Seedeater | Thraupidae (Tanagers) | NT |
| Sporophila hypochroma | Rufous-rumped Seedeater | Thraupidae (Tanagers) | NT |
