Cacajao melanocephalus (Humboldt 1812)
[Simia] melanocephala Humboldt 1812, Rec. Observ. Zool., 1: 317.
Type Locality: Venezuela, Casiquiare Forests, Mision de San Francisco Solano.
Vernacular Names: Black-headed Uacari.
Synonyms: Cacajao ouakary (Spix 1823); Cacajao spixii (Gray 1849) .
Distribution: SW Venezuela, NW Brazil.
Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Lower Risk (lc).