Atlantic titi the general area. Additionally, all titi monkeys have "Dawn Calls" in the mornings in which the male and female usually duet the same song. Atlantic titi The Atlantic titi or masked titi ("Callicebus personatus") is a species of titi, a type of New World monkey, endemic to Brazil. The Atlantic titi is part of the genus "Callicebus" which is composed of thirteen species and sixteen subspecies. More specifically, they belong to the group "Callicebus moloch" which is composed of eight species and eight subspecies. Three subspecies of "Callicebus personatus" have been described in scientific literature: "C.p. melanochir", "C.p. nigrifrons", and
White-eared titi In captivity, the white-eared titi has been known to live for over 25 years. The white-eared titi is cryptic, diurnal and known to live in small family groups. It is a monogamous species that is thought to mate for life and lives in groups that usually consist of two to seven members; an adult pair and up to five young. Multi-male groups have also been recorded. Offspring are carried by the male, and are always with them, except when feeding. Between the ages of two to four years, offspring will disperse from the natal group, with females leaving earlier than