This uakari occurs in the Amazon region of northern Brazil and southern Venezuela. Current MDD treatment recognizes it as a separate species, although some researchers group it with C. melanocephalus.
Long reddish-brown fur covers the back and extends along the tail. The face is black and hairless, and long hair on the head hangs over the ears.
A field study in Pico da Neblina National Park recorded one group of about 70 animals spread out rather than moving as a cohesive unit. The study did not observe fission-fusion during its work and linked the group’s spacing to patchy resources and slow fruit maturation.
An extinction-risk assessment has not been added yet.