Alouatta guariba Humboldt 1812

Alouatta guariba Humboldt 1812, Rec. Observ. Zool., 1: pl. 30.

Type Locality: Brazil.

Vernacular Names: Brown Howler.

Synonyms: Alouatta bicolor (Gray 1845) .

Subspecies::

Subspecies Alouatta guariba subsp. guariba Humboldt 1812

Subspecies Alouatta guariba subsp. clamitans Cabrera 1940

Distribution: N Bolivia (?- beniensis); SE and EC Brazil, north to the Rio São Francisco.

Conservation: CITES – Appendix II; IUCN – Critically Endangered as A. g. guariba, otherwise Vulnerable.

Discussion: A. seniculus species group. A. guariba (Humboldt, 1812) is the correct name for this species, not fusca (Rylands and Brandon-Jones, 1988) . A. " fusca " beniensis may actually be A. seniculus (Mittermeier et al., 1988:13-75) .