Australia's wild deer population is on the rise, but the management of this introduced species remains a vexed issue. In Tasmania and Victoria, deer continues to be classified as a game resource for hunting, rather than a feral pest. An estimated 1-2 million deer now inhabit Australia - and reducing those numbers is both a practical, and political challenge. 

• Guest: Professor Mike Letnic, applied ecologist and conservation biologist, UNSW
• Producer: Jack Schmidt