Data Zone
| Scientific name | English name | Family | Global IUCN Red List Category |
|---|---|---|---|
| Crax pinima | Belem Curassow | Cracidae (Guans, Chachalacas, Curassows) | CR |
| Mergus octosetaceus | Brazilian Merganser | Anatidae (Ducks, Geese, Swans) | CR |
| Columbina cyanopis | Blue-eyed Ground-dove | Columbidae (Pigeons, Doves) | CR |
| Paraclaravis geoffroyi | Purple-winged Ground-dove | Columbidae (Pigeons, Doves) | CR |
| Psophia obscura | Black-winged Trumpeter | Psophiidae (Trumpeters) | CR |
| Diomedea dabbenena | Tristan Albatross | Diomedeidae (Albatrosses) | CR |
| Numenius borealis | Eskimo Curlew | Scolopacidae (Sandpipers, Snipes, Phalaropes) | CR (PE) |
| Glaucidium mooreorum | Pernambuco Pygmy-owl | Strigidae (Typical Owls) | CR (PE) |
| Anodorhynchus glaucus | Glaucous Macaw | Psittacidae (Parrots) | CR (PE) |
| Formicivora paludicola | Marsh Antwren | Thamnophilidae (Typical Antbirds) | CR |
| Myrmotherula snowi | Alagoas Antwren | Thamnophilidae (Typical Antbirds) | CR |
| Terenura sicki | Orange-bellied Antwren | Thamnophilidae (Typical Antbirds) | CR |
| Cercomacra carbonaria | Rio Branco Antbird | Thamnophilidae (Typical Antbirds) | CR |
| Merulaxis stresemanni | Stresemann's Bristlefront | Rhinocryptidae (Tapaculos) | CR |
| Synallaxis kollari | Hoary-throated Spinetail | Furnariidae (Ovenbirds) | CR |
| Antilophia bokermanni | Araripe Manakin | Pipridae (Manakins) | CR |
| Cotinga maculata | Banded Cotinga | Cotingidae (Cotingas) | CR |
| Calyptura cristata | Kinglet Calyptura | Tyrannidae (Tyrant-flycatchers) | CR |
| Phylloscartes ceciliae | Alagoas Tyrannulet | Tyrannidae (Tyrant-flycatchers) | CR |
| Nemosia rourei | Cherry-throated Tanager | Thraupidae (Tanagers) | CR |
