The Port Lincoln Parrot - Barnardius zonarius zonarius - is one of several subspecies of the Australian Parrot - Barnardius zonarius, each with a different local name. Subspecies differ in appearance, calls and other details including preferred habitat. All versions are mainly green with a yellow collar and long, tapering tails. There is hybridisation along the boundary between subspecies so characteristics are spread across boundaries. Reaches 34 to 38 centimetres in length.
zonarius- "Port Lincoln Parrot" has a black head, dark blue cheeks, bright yellow belly and deep green chest. Blue in wings and tail. Found in Northern Territory, central and western South Australia, southern two-thirds of Western Australia, except the south-west. Often feeds on the ground on native seeds and plants or on spilled grain in paddocks. Lives in drier regions including woodlands, mallee, mulga, spinifex, especially tree-lined watercourses, roadsides and farm trees. Thrives on farmlands in Western Australian wheat belt. Common the east, abundant in the Western Australia.