Scientific name: Trichoglossus chlorolepidotus (Kuhl, 1820).
The Scaly-breasted Lorikeet is found along the east coast area of Australia from Sydney in N.S.W. to Cooktown in N. Queensland. Over much of this range it is common to locally abundant. It is a gregarious species prefering the open forest, often travelling in large flocks from tree to tree in the company of Rainbow Lorikeets. It is common in urban areas, taking advantage of any nector bearing garden plantings, especially Grevilleas. The breeding season in the wild is from May to December.
Books: Parrots: A Guide to Parrots of the World
For backyard feeders: try Birds-Out-Back.