Ecologist David Lindenmayer has monitored the same forest for over 30 years.

23 Mar, 2014 | Media 2014

18 March, 2014 10:45AM AEST. David Lindenmayer. Broadcast date: Tuesday 18 March

http://www.abc.net.au/local/stories/2014/03/18/3966103.htm

David is a highly-awarded professor of ecology, but came close to making a career as a footballer in The Netherlands.

Among his grand passions is the survival of the Leadbeater’s Possum, the faunal emblem of Victoria.

The possum, he says, is at risk of being ‘monitored to extinction’, which would be nothing short of an “environmental disgrace”.

David’s latest enthusiasm is learning the complex and musical language of birds