Barbara Brown's titi a few individuals were found being kept as pets. The species is not found in any officially protected area. Despite being home to numerous species found nowhere else in the world, only one percent of the forests of Bahia, home to the blond titi monkey, are under any form of protection and as a number of destructive activities continue to degrade the area, action is required to protect the blond titi monkey’s habitat. Several organizations, including the Brazilian Institute for the Environment, are working to promote the study and protection of Brazil’s threatened primates.2) Conservation International is also helping to
Collared titi least two species in this complex. But whether the Lucifer titi, "Cheracebus lucifer", or the Colombian black-handed titi, "Cheracebus medemi", are good species from this complex is in doubt. They are probably subspecies of "Cheracebus torquatus". Nevertheless, in this treatment "C. torquatus" is used in the sense of Hershkovitz (1990) until the systematics of this species complex becomes clearer. Five adults weighed an average of 1462 g (range 1410–1722 g) with a head-body length of around 290–390 mm and a tail length of about 350–400 mm. The face has very little hair, being limited to sparse short white hairs over