The main distinction between these is size: nigrescens is the smallest of the three and melanoptera is the largest; both are slightly darker than the nominate race.
At a glance
Sounds
Range map
Range map
Aggregated occurance data is sourced from 14 different actively-updating datasets including eBird Australia, iNaturalist Australia, BirdLife Australia, and multiple state-based bird surveys through Atlas of Living Australia.
Species notes
Overview
Note diagnostic blue cheek regardless of form (the Green Rosella of Tasmania also has blue cheeks but the two species’ ranges do not normally overlap). Juvenile much greener than adult, attaining a blotched mixed plumage as they transition to adult. Found in a wide range of habitats in southeastern Australia. In many locations it is accustomed to humans and can be quite tame.
Behavior
Contact call is a familiar two-toned whistle.
Gallery