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
Ornate titi ornate titi spends a significant portion of the day sleeping. They usually spend around 60% of their time sleeping, which hugely differs from the white-tailed titi ("P. discolor"), which spends less than 25%. The ornate titi is diurnal, rising early in the morning and remaining awake and active until sunrise, however this depends on the season, due to the change in availability in food, particularly fruit, which tends to only appear in abundance in the warmer months. In contrast, an ornate titi may stay in sleeping site for up to four hours after sunrise in colder months. Usually, a titi's