Yellow Cheeked Gibbon, golden-cheeked gibbon, yellow-cheeked crested gibbon, golden-cheeked crested gibbon, red-cheeked gibbon, (Nomascus gabriellae), adult male sitting in tree, Asia

yellow cheeked gibbon golden cheeked gibbon yellow cheeked crested gibbon golden cheeked crested gibbon red cheeked gibbon nomascus gabriellae adult adults male males tree trees sitting asia vertical gibbon gibbons ape apes monkey monkeys primate primates herbivore herbivores mammal mammals animal animals wildlife wild zoology outside outdoor outdoors color colour no people nature