Titi Titi The titis, or titi monkeys, are the New World monkeys of the subfamily Callicebinae, which contains three extant genera, "Cheracebus", "Callicebus", and "Plecturocebus." This subfamily also contains the extinct genera "Xenothrix, Antillothrix", "Paralouatta, Carlocebus, Lagonimico", and possibly also "Tremacebus". Titis live in South America, from Colombia to Brazil, Bolivia, Peru and northern Paraguay. Depending on species, titis have a head and body length of , and a tail, which is longer than the head and body, of . The different titi species vary substantially in coloring, but resemble each other in most other physical ways. They have long, soft
Ornate titi The ornate titi is monogamous, and their upbringing is entirely paternal, only ever being passed to the mother to be fed. with the birth season being from December to March, with the smallest infants being born in December to January. The average gestation period for an ornate titi is 128 days (4.2) months, and there have been observations that, during lactation, female titis tend to increase the amount of protein in their diet (Primarily by eating more insects). Some conservation efforts within Colombia have been made, since the species occurs in La Macarena National Park and Tinigua National Park, and