The locals say it is God's nation, the swathe of shire that encompasses the southern flank of Sydney.
The crimson boundary on the map scoops up the town's jawline from Kurnell, travelling alongside the throat of the Georges River, earlier than turning south with the river down the again of the inexperienced neck that's the Heathcote Nationwide Park.
The park holds a part of the Woronora Dam and is flanked both facet by Holsworthy Military Base and the Lucas Heights reactor.
Tucked away among the many roll of hills, it's also prime koala actual property, found by two bushwalkers.
"The very first tree we regarded in had a koala in it," says Steve Anyon-Smith, lockdown bushwalker turned citizen scientist.
"We began discovering two or three, after which 4 or 5, and we did not realise on the time 'how are we going to maintain observe of whether or not we have seen the identical animal?'"
So Steve and fellow koala spotter Tim Kristensen started taking images of every new koala found, suggested to seize every nostril as a koala ID.
Steve references his pc file of images, every animal lovingly named on a display filled with folders. He opens one particularly.
"We will see that the pink on the inside nostril, the place it meets the darker a part of the nostril of the koala, will not be a straight line," he says.
"And that differs from koala to koala?" I hypothesise.
"Completely," Steve says.
The citizen scientists have additionally captured uncommon bush moments in shifting imaginative and prescient, corresponding to mum Patsy feeding her joey Mel.
There was the large milk-drunk yawn by one other child at meal's finish, and the second a brown-headed honeyeater was pecking on the fur of a koala named Anita, snatching it in clumps to construct her nest.
Their analysis has revealed almost 80 beforehand undiscovered people, reaching as near suburbia as Woronora and Menai.
It is believed the crown land of the Holsworthy Military base and the Woronora Dam catchment have acted as a koala nursery.
"I feel in the event you preserve away canines and vehicles, and you do not set hearth to them, koalas are fairly able to residing close by," Steve provides, as he scrolls by means of the pictures of koalas lolling within the forks and stretched throughout the limbs of gray gums.