SHE-OAK SKINK Tiliqua casuaranae (Dumeril and Bibron, 1839)
Occurring in the coast and near ranges of New South Wales, eastern Victoria and Tasmania, the She-oak Skink attains 30 cm. A reclassification by Wells and Wellington and then Shea, split the species as then known into three. All are essentially similar in most respects. Larger specimens are usually unmarked, while sub-adults and juveniles usually have distinctive patterned markings on their bodies and dark bands over the head and neck region. Females are by far the larger Sex.
Storr and others have proposed that this species should be removed from the Bluetongue genus Tiliqua and placed in its own genus Omolepida, along with a couple of similar related species. Since this book was first published in 1989, Glen Shea has split the lizards formerly known as the She-oak Skinks into more than one species. All are however essentially similar in most respects.
These lizards are found in a range of habitats, but appear to be most common in grassy grazing country adjacent to forest habitats.
The She-oak Skink when found active makes snake-like movements. Like other skinks with reduced limbs, the limbs are held folded to the side of the body while it engages in snake-like movement. Unlike the Bluetongue lizards, this species will not hesitate to shed its tail if caught. When inactive, this species is usually found hiding under loose ground litter, and is particularly fond of man-made rubbish. In cold areas, these lizards are diurnal while in warmer places they tend to be crepuscular.
Mating occurs in October and November, with live young being born some eight to ten weeks later. About five to seven young are produced in December and January. The young measure from 4 to 5 cm.

The above was from the book Australian Reptiles and Frogs by Raymond Hoser and now available on a fantastic CD-Rom along with a vast amount of other information, papers and the like on reptiles, frogs and other wildlife.