In April 2006, to celebrate naturalist David Attenborough's 80th birthday,
the public were asked to vote on their favourite of his television moments.
This clip of the lyrebird was voted number one. A Lyrebird is either of two
species of ground-dwelling Australian birds, most notable for their
extraordinary ability to mimic natural and artificial sounds from their environment. video here.
(Site says it requires Quicktime 6.)