A young individual climbs and jumps to another branch on the left, Dusky Leaf Monkey Trachypithecus obscurus, Thailand

lutung trachypithecus obscurus langur spectacled leaf monkey spectacled langur dusky leaf monkey trachypithecus primate primates simiiformes canopy wildlife sanctuary cercopithecidae arboreal fruiting tree malaysia long tail monkeys habitat mammals foraging apes climbing wildlife mammalia endangered jungle rainforest kaeng krachan myanmar habitat loss haplorhini trees branches animals endangered species thailand folivorous nature leaves green forest mongkeys natural national parks morning howling