Climbs up and then sits for a while then climbs again to jump to another higher branch, Dusky Leaf Monkey Trachypithecus obscurus, Thailand

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