The black bearded saki lives in forests of eastern Amazonian Brazil. Its dark coat and beard are distinctive, and it often eats fruit and seeds.
Its coat is mostly black, with a beard around the mouth and tufts on the crown. The beard is more pronounced in males.
It is active in trees during the day and mainly eats fruit and seeds. During the dry season it also eats leaves and insects.
An extinction-risk assessment has not been added yet.