Red Titi monkey (Callicebus cupreus) on branch, controlled conditions, United Kingdom, Europe

A pair of adult red titi monkeys, Plecturocebus cupreus, climbing in a tree within the Pacaya Samiria Preserve, Peru.

Adult red titi monkeys, Plecturocebus cupreus, sleeping in a tree within the Pacaya Samiria Preserve, Peru.

Captive Red Titi Callicebus discolor adult and baby in La Vallee Des singes, Poitou - Charentes France. More info: Status. Least concern

Captive adult Red Titi Callicebus discolor in La Vallee Des singes, Poitou - Charentes France. More info: Status. Least concern

Squirrel monkey looking straight ahead, South American little ape squirrel monkey looking for something (Callicebus) known as squirrel monkey

Central American Squirrel Monkey, also called Mono Titi (Saimiri oerstedii), highly endangered species, in the secondary rain forest, Punta Burica, Golfo de Chiriqui, Panama, Central America

Coppery titi sitting in tree Peru South America

Red Titi Monkey eating a nut, Monkey Valley France

Brown Titi Monkey (Plecturocebus brunneus), Madre de Dios, Peru

Brown Titi Monkey (Plecturocebus brunneus), feeding on palm fruit, Madre de Dios, Peru

Brown Titi Monkey (Plecturocebus brunneus), feeding on palm fruit, Madre de Dios, Peru