| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Mammalia |
| Order | Primates |
| Family | Pitheciidae |
| Genus | Cacajao (1) |
| Size |
Head-body length: 54 - 57 cm (2) Tail length: 14 - 18.5 cm (2) |
| Weight |
Males: 3.45 kg (2) Females: 2.9 kg (2) |
Classified as Near Threatened (NT) on the IUCN Red List 2003 (1), listed on Appendix II of CITES (3).
Subspecies: White bald-headed uakari (Cacajao calvus calvus), Novae's bald-headed uakari (C. c. novaesi) and red bald-headed uakari (C. c. rubicundus) are classified as Vulnerable (VU - B1ab(iii)); Ucayali bald-headed uakari (C. c. ucayalii) is classified as Vulnerable (VU - A2cd) (1).