The joey returns to the pouch to suckle until it is weaned between 8 and 12 months.
The dogs had apparently zeroed in on a joey who, being younger, couldn't keep up.
There were lots of eye-opening moments: a pride of lions up close, rhinos on guard, mummy wallaby with little joey .
It belonged to her joey who was doing yoga poses in her pouch.
After three months, the developed joey emerges from the pouch to make short trips in the outside world.
She says once she was driving through a National Park and recognised one of the roos to be Jack, a joey she'd reared years earlier.
Many of these animals require intensive care, which at times has meant Megan has had a young bird or possum joey with her at work.
And the privacy has proved decidedly fruitful - all six female wallabies have given birth to joeys , almost doubling the park's population.
Kill quotas for 2001 were 5.5 million - but this figure ignores joeys , road deaths, illegal and non-commercial kills.
In those days they used to say you couldn't nurture young joeys because you couldn't foster them.