"We haven't seen those sort of numbers in that area before — or in other parts of the Blue Mountains."
"We weren't expecting them to be able to recover like they have,"he said.
"It shows that greater gliders can thrive when they have undisturbed habitat,"Dr Ashman said.
"There's been no sign of recovery since."
"That's the sort of time frame we're looking at — decades rather than years,"Dr Smith said.
"Strengthening the corridors through Landcare and other means — it's all very important."