Ключевые слова: animal, barisan, biodiversity, cercopithecidae, coastal ecosystems, ecoregions, energy, equator, flexible, force, fur, greater sunda islands, high humidity, humanoid, indonesia, indonesian archipelago, indonesian tourism, jungle, malay archipelago, mammal, medan, monkey, movement, muzzle, natural ecosystem, natural heritage, north sumatra, oceania, presbytis thomasi, primate, rainforest, republik indonesia, sinabung, southeast asia, strength, strong, sumatra, thomass langur, thomass leaf monkey, trees, tropical climate,