This group is only represented in the tropical Asian rainforest by the Loris.
Carlito syrichta, 'Philippine Tarsier'. Found in the south-eastern Philippines.
The Old World monkeys are found across Africa and Asia.
Macaca fascicularis, 'Long-tailed Macaque' mother and young.
Macaca leonina, 'Northern Pig-tailed Macaque' mother and young. Found in from India across mainland south-east Asia to Vietnam. (The Macaca nemestrina 'Southern Pig-tailed Macaque' is found in Malaysia and Indonesia).
Macaca assamensis, 'Assamese Macaque'.
Long limbed usually greyish monkeys mostly found in India and Sri Lanka.
Semnopithecus schistaceus, 'Himalayan/Nepal Grey Langur'. Found in the mountain forests around the Himalayan region.
Semnopithecus vetulus, 'Purple-faced Langur/Leaf Monkey'. Endemic to the forests of Sri-Lanka. There are several sub-species, and pictured is the higher altitude living 'shaggier' monticola. Once considered a Lutung, now placed in the genus Semnopithecus , (making it the only non-grey 'grey Langur').
Trachypithecus obscurus, 'Spectacled/Dusky Leaf Monkey'.
Trachypithecus cristatus, 'Silvery Leaf Monkey/Langur/Lutung'. Found in mangroves and along forest edge on rivers. Distributed from peninsula Malaysia to Sumatra and Borneo.
'Silvery Langur', leaping between trees.
Presbytis thomasi, 'Thoma's' Leaf Monkey/Langur' is endemic to Sumatra.
'Thomas Leaf Monkey/Langur' close up of striking markings on the face.
Doucs are long limbed and agile. There are three species. Their most distinctive feature are their colourful and contrasting faces and limbs. They are restricted to extreme mainland south-east Asia, including eastern Thailand, Laos, Cambodia and with the centre of diversity in Vietnam.
Pygathrix nigripes, 'Black-shanked Douc'.
Nasalis larvatus, 'Proboscis Monkey'. Endemic to the rainforests and swamp forests of Borneo.
Only the male Proboscis Monkey has a large nose.
Gibbons are restricted to tropical Asia. They are often known as 'lesser apes'. They have distinctively long arms, which they use to swing through the canopy in a movement called brachiation.
Hylobates albibarbis, 'Bornean White-bearded/Agile Gibbon'. Endemic to southern Borneo.
Nomascus gabriellae, 'Yellow-cheeked Crested Gibbon’, northern subspecies, male.
Nomascus gabriellae, 'Yellow-cheeked Crested Gibbon’, northern subspecies, female and young.
Hylobates lar, 'White-handed Gibbon' Sumatran subspecies vestitus.
There are two species (possibly three) of Orangutan. They are restricted to the forests and swamps of Sumatra and Borneo.
Orangutans have extended flanges on the sides of their faces. These are much more developed in the male, and biggest in the Borneo species. Females prefer and mate more with males that have large face flanges.
Orangutans are the largest of arboreal animals. They generally don't leap or swing through the treetops; their technique is to grab a branch and pull it over, and then climb onto it. Sometimes they make the branch they are sitting in swing back and forth to get closer to their next handhold. This sounds slow, but they can move through the canopy quite fast; I have followed one and I was making a brisk walking pace.
Pongo abelli, ‘Sumatran Orangutan’ mother and young. Restricted to the island of Sumatra, and within that island, tend to be found more in the north. Orangutan mothers usually raise just one or two young, and the kids stay with mom longer than any other primate, besides humans.
Pongo pygmaeus, ‘Bornean Orangutan’.
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