Gibbons: The Singing Acrobats of the Forest... Gibbon, the singing swinging primate of Southeast Asia, is one of nature's most astonishing marvels. In this viral video, we reveal five surprising facts about gibbons, including their breathtaking brachiation at 34 mph, lifelong pair bonding, upright walking, and haunting morning duets. With 20 gibbon species including the endangered Hainan gibbon, we explore gibbon adaptations, behaviors, and conservation threats. From tree-top acrobatics to jungl