Barbara Brown's titi establish a Central Biodiversity Corridor that aims to connect fragmented forests, while WWF is developing an overall conservation strategy for Brazil’s Atlantic forests. Further research is needed into the ecology and status of this enigmatic species if it is to be pulled back from the brink of extinction. 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
Red-bellied titi whenever two from the same social group are by each other. The red-bellied titi has a variety of postures and facial expressions that it uses as visual signals. Swaying the entire body, turning the head sideways and lowering the head to face downward are examples of these signals. Observers have seen that these signals are a response to a disturbance or escape tendencies. Arching of the back is a signal that the red-bellied titi uses to warn that they're about to attack. This signal is associated with hostility, after they arch their backs an attack usually follows. Other signals associated