The proboscis monkey or long-nosed monkey is an arboreal Old World monkey with an unusually large nose, a reddish-brown skin color and a long tail. It is endemic to the southeast Asian island of Borneo and is found mostly in mangrove forests and on the coastal areas of the island.
Proboscis monkey
Male
Female
Nasal cartilages that were left intact in a specimen skull in order to show the structures that support the nose
Old World monkeys are primates in the family Cercopithecidae. Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons, red colobus and macaques. Common names for other Old World monkeys include the talapoin, guenon, colobus, douc, vervet, gelada, mangabey, langur, mandrill, surili (Presbytis), patas, and proboscis monkey.
Old World monkey
A male rhesus macaque (Macaca mulatta)
Young collared mangabey (Cercocebus torquatus).
Black-footed gray langur, (Semnopithecus hypoleucos)