The zebra finch (Taeniopygia guttata) is the most common estrildid finch of Central Australia and ranges over most of the continent, avoiding only the cool moist south and some areas of the tropical far north. It can also be found natively in Indonesia and East Timor. The bird has been introduced to Puerto Rico.
Zebra finches are lived-acted in the first episode of Walking with Cavemen.
George gets some zebra finches in the Aviary too.