Spectacled Langur, Trachypithecus obscurus, sitting on the branch looking down while holdig on a vine in the jungle in Kaeng Krachan National Park

trachypithecus obscurus near threatened primates trachypithecus primates in asia primates of thailand spectacled leaf monkey langurs in asia tree climbing animals dusky leaf monkey spectacled langur leaf monkeys in asia dusky leaf monkey in asia near threatened monkeys leaf monkey langurs primate mammals of thailand wildlife in thailand kaeng krachan national park monkeys in asia animals of thailand primates monkeys in thailand arboreal animals wildlife in asia near threatened species wild animals in asia monkey tree climbers mammals of asia near threatened simiiformes national parks in thailand cercopithecidae plant eating animals animals of asia conservation mammals mammalia arboreal jungles wild animals haplorhini animals herbivorous kaeng krachan nature herbivore forests