yellow-cheeked gibbon (nomascus gabriellae)

adult aka amsterdam animal animals artis asia asian black buffed buffedcheeked cheek cheeked climbing color crested cute endangered female forest gabriellae gibbon golden goldencheeked green hanging image jungle looking magistra male mammal monkey natura nature netherlands nomascus outdoors pair primata primate primates pyellowcheeked rainforest red redcheeked simian sitting species tree wild wildlife yellow yellowcheeked young zoo