Want more natural history and wildlife videos? Visit the official BBC Earth channel: http://bit.ly/BBCEarthWW BBC Earth The BBC Earth YouTube channel is home to over 50 years-worth of the best animal videos from the BBC archive. With three new videos released every week there’s something for all nature lovers from astounding animal behaviour to beautiful imagery. Click here to find our more: http://bit.ly/BBCEarthWW For more brilliant natural history shows, exclusive to YouTube, head over to our brand-new channel Earth Unplugged! http://www.youtube.com/earthunplugged Click here to watch in high quality!: http://www.youtube.com/watch?v=mSB71jNq-yQ David Attenborough presents the amazing lyre bird, which mimics the calls of other birds - and chainsaws and camera shutters - in this video clip from The Life of Birds. This clever creature is one of the most impressive and funny in nature, with unbelievable sounds to match the beautiful pictures. BBC Worldwide Channel: http://www.youtube.com/user/BBCWorldwide BBC Earth Channel: http://www.youtube.com/user/BBCEarth For more Natural History: http://www.bbcearth.com/