The primate world is filled with diverse and surprising species, from the tiny Pygmy Marmoset to the striking Golden Snub-Nosed Monkey. The Bald Uakari's red face indicates its health, while the Proboscis Monkey's large nose is used for attracting mates. The critically endangered Roloway Monkey and the famous Celebes Crested Macaque are also featured, along with the affectionate Titi Monkey.