Black-chinned emperor tamarins (Sanguinus imperator imperator) are one of the two subspecies of emperor tamarins. Unlike bearded tamarins, they have no beard. It has been distributed throughout Brazil, Peru, and Peruvia.
In Rio 2
In Rio 2, Big Boss (the true main antagonist of the film) has an emperor tamarin as a pet that serves as one of the secondary antagonists, alongside Nigel.
After a gestation period of 140-145 days, females give birth to two infants, at times one.