Elegant Parrot
Neophema elegans
John Gould was the first to describe the species, in 1837.
Neophema combines the Greek neos (new or different) and euphema, a generic name no longer in use, derived from the Greek euphemos (auspicious or laudatory); elegans is Latin and means elegant or fine.
John and Elizabeth Gould, Euphema elegans (Elegant Grass-Parrakeet) 1848
(adult male, top; adult female, bottom)