INDO-MALAYAN Tropical & Subtropical Moist Broadleaf Forest

Order Primates

Suborder Strepsirrhini: Lemurs, Lorises, Galagos

This group is only represented in the tropical Asian rainforest by the Loris.  

Suborder Haplorhini: Tarsiers, Monkeys, and apes

Family Tarsiidae: 'Tarsiers'

Carlito syrichta, 'Philippine Tarsier', (Bohol, Philippines). Found in the south-eastern Philippines.

Family Cercopithecidae, 'Old World Monkeys'

The Old World monkeys are found across Africa and Asia. 

Macaca spp.

Macaca fascicularis'Long-tailed Macaque' mother and young (Bali Barat National Park, Indonesia).

Macaca leonina, 'Northern Pig-tailed Macaque' mother and young (Keosemia, Cambodia). 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'. (Jigme Dorji, Bhutan).

'Celebes Crested/Black Macaque' Macaca niger, (Tangkoko National Park, Indonesia). A striking species, with all black fur and glaring orange eyes. Very short tail sometimes gives it the common name of an 'ape'. Mostly terrestrial during the day, reported to sleep in trees at night. Endemic to the north east of Sulawesi mainland and islands.

Semnopithecus spp. 'Grey Langurs'

Long limbed usually greyish monkeys mostly found in India and Sri Lanka.

Semnopithecus schistaceus, 'Himalayan/Nepal Grey Langur' (Bhutan). 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 (Horton Plains, Sri Lanka). Once considered a Lutung, now placed in the genus Semnopithecus , (making it the only non-grey 'grey Langur').

Trachypithecus spp. 'Lutungs' (various leaf monkeys and langurs)

Trachypithecus obscurus, 'Spectacled/Dusky Leaf Monkey' (Pala-U Waterfall, Thailand).

Trachypithecus cristatus, 'Silvery Leaf Monkey/Langur/Lutung', (Indonesia). Found in mangroves and along forest edge on rivers. Distributed from peninsula Malaysia to Sumatra and Borneo.

Presbytis spp. 'Surilis' (various leaf monkeys and langurs)

Presbytis thomasi, 'Thoma's' Leaf Monkey/Langur' is endemic to Sumatra (Bukit Lawang, Sumatra, Indonesia).

'Thomas Leaf Monkey/Langur' close up of striking markings on the face  (Bukit Lawang, Sumatra, Indonesia).

Pygathrix spp. 'Douc'

Doucs are long limbed and agile (Keosemia, Cambodia). 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', (Keosemia, Cambodia).

Nasalis, Proboscis Monkey

'Proboscis Monkey'. Endemic to the rainforests and swamp forests of Borneo.

Family Hylobatidae: 'Lesser Apes', the Gibbons

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

Nomascus gabriellae'Yellow-cheeked Crested Gibbon’, northern subspecies, male (Jahoo, Cambodia).

Nomascus gabriellae'Yellow-cheeked Crested Gibbon’, northern subspecies, female and young (Jahoo, Cambodia).

Hylobates lar, 'White-handed Gibbon' Sumatran subspecies vestitus, (Bukit Lawang, Indonesia).

Family Hominidae: 'Great Apes' including humans

Pongo abelli, ‘Sumatran Orangutan’. Close up of face. Restricted to the island of Sumatra, and within that island, tend to be found more in the north. Different species from the one found in Borneo, although they look pretty similar (Bukit Lawang).

Pongo abelli, ‘Sumatran Orangutan’ mother and young (Bukit Lawang, Indonesia).

Thinking of travelling again after everything settles down? One of the first expeditions I am booked to work on is the NZ sub-Antarctics with Silversea Expeditions and Australia with Coral Expeditions. And here is a shortened version of one of my lectures in a warmer part of the world.