By DickDaniels (http://carolinabirds.org/) (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)
Australia. Resident over much of Australia including Tasmania but not the tropical northern region nor the central-western arid zone.
Introduced to England in 1791 and began breeding in the wild in 1902. Well established in the wild and a regular breeder with around 5-20 pairs annually. WEBS counts in 2010-11 recorded a maximum of 46. This reflects an ongoing decline in their numbers; The corresponding figure for 1999 was 156 and for 2003 it was 104.