For more brilliant natural history shows, exclusive to YouTube, head over to our brand-new channel Earth Unplugged! http://www.youtube.com/earthunplugged If you thought the Lyre Bird was a good mimic, you're in for a treat. This clip will bring your heart to your mouth as you wonder at how close orangutan behaviour is to our own. From the BBC documentary series, Life of Mammals. Watch more high quality videos on the BBC Earth YouTube channel here: http://www.youtube.com/BBCEarth and visit http://www.BBCEarth.com for all the latest natural history exclusives and fantastic new wildlife videos.