This bird is approximately 22 cm long. The plumage is predominantly green while the bill is black.
This species presents a sexual dimorphism: the male sporting a sky blue-collar, coloring is also found under the wings.
The Blue-necked Parakeet is represented by two subspecies:
- simplex ;
- buergersi .
This bird lives in gallery forests and primary forests between 800 and 1900 m altitude.
This species inhabits central New Guinea .