Dusky Leaf Monkey, Trachypithecus obscurus, an individual sitting on diagonally placed fallen small tree in the afternoon while looking down to the camera in Kaeng Krachan National Park

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