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ungka kepala hitam ("Black crested gibbon"), Nomascus concolor

ungka kepala hitam Tonkin ("Tonkin black crested gibbon"), Nomascus concolor concolor

ungka kepala hitam Laos ("Laotian black crested gibbon"), Nomascus concolor lu

ungka kepala hitam Tengah Yunan ("Central Yunnan black crested gibbon"), Nomascus concolor jingdongensis

ungka kepala hitam barat Yunan ("West Yunnan black crested gibbon"), Nomascus concolor furvogaster

ungka kepala hitam Timur ("Eastern black crested gibbon"), Nomascus nasutus

ungka kepala hitam  Hainan ("Hainan black crested gibbon"), Nomascus hainanus

ungka pipi putih utara ("Northern white-cheeked gibbon"), Nomascus leucogenys

ungka pipi putih selatan ("Southern white-cheeked gibbon"), Nomascus siki

ungka pipi kuning ("Yellow-cheeked gibbon"), Nomascus gabriellae

ungka pipi berkilat Utara ("Northern buffed-cheeked gibbon"), Nomascus annamensis

ARKive - images and movies of the black-crested gibbon (Nomascus concolor)

Primate Info Net Hylobates (Nomascus) leucogenys Factsheet