The introduction of wolves into Yellowstone National Park in the US has helped restore the park back to an almost prehuman ecological state. Could the introduction of the Tasmanian Devil have the same effect? An interesting discussion between Devil Ark's Tim Faulkner and Daniel Hunter on ABC - http://www.abc.net.au/radio/sydney/programs/mornin...
Watch how the wolves changed not only the ecosystem of Yellowstone National Park, but its geography.