Red-shouldered Macaw Diopsittaca nobilis cumanensis/longipennis 2 sspp. Diopsittaca cumanensis (commonly known as noble peara) is a small mackerel in the parrot family, often referred to as an alpha species of the blue-fronted peara (Diopsittaca nobilis). Main characteristics of : Appearance: about 33 cm long, its feathers are mostly bright green. Characteristic of the red spot at the wing bend (here is the name "red-shouldered") and the blue color on its forehead. Difference from the Hahn-ara: