Barbara Brown's titi Barbara Brown's titi Barbara Brown's titi ("Callicebus barbarabrownae"), also popularly known as the blond titi monkey or northern Bahian blond titi, is a species of titi, a type of New World monkey. This critically endangered species is endemic to the Caatinga in northeastern Brazil, and it is estimated that less than 250 mature individuals remain. The blonde titi monkey is listed as Critically Endangered due to small population size. The blond titi monkey is endemic to the Atlantic forests of eastern Brazil, where it is found in the coastal highlands of Bahia and Sergipe States. Most of their population is
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