The Australian ringneck was first described by English naturalist
George Shaw and drawn by
Frederick Polydore Nodder in 1805 in their work ''The Naturalist's Miscellany: Or, Coloured Figures of Natural Objects; Drawn and Described Immediately From Nature
. He called it Psittacus zonarius
"zoned parrot". A broad-tailed parrot, it is most closely related to the rosellas of the genus Platycercus'', and has been placed in that genus by some authorities, including
Ferdinand Bauer. Pre-existing names for the species, derived from the
Nyungar language of
Southwest Australia, are
dowarn [pronounced dow'awn] and
doomolok [dorm'awe'lawk]; these were identified from over one hundred records of regional and orthographic variants to supplement the names already suggested by
John Gilbert,
Dominic Serventy and others. Currently, four subspecies of ringneck are recognised, all of which have been described as distinct species in the past: (As of 1993, the Twenty-eight and Cloncurry parrot were treated as subspecies of the Port Lincoln parrot and the mallee ringneck, respectively. Intermediates exist between all subspecies except for between
B. z. zonarius and
B. z. macgillivrayi. Intermediates have been associated with land clearing for agriculture in southern Western Australia. The classification of this species is still debated, and molecular research by Joseph and Wilke in 2006 found that the complex split genetically into two clades—one roughly correlating with
B. z. barnardi and the other with the other three forms;
B. z. macgillivrayi was more closely related to
B. z. zonarius than to the neighbouring
B. z. barnardi. The researchers felt it was premature to reorganise the classification of the complex until more study was undertaken.
Subspecies ==Behaviour==