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The Red-Shouldered Macaw (Diopsittaca nobilis), is the smallest species of macaws, and one of the many birds native to South America. This species of macaw is named for the red feathers on their "shoulders". It can also be called Hahn's or Noble Macaw. The rest of their body is green, with white facial markings and grey talons.
The species is divided in three subspecies:
- D. n. nobilis (Hahn's Macaw)
- D. n. cumanensis (Noble Macaw)
- D. n. longipennis (sometimes considered the same as D. n. cumanensis)
The D. n. nobilis subspecies has a blue forehead which fades blurry to the green back of the head, and the upper beak has a white patch on the base that also fades blurry.
The D. n. cumanensis subspecies has a more defined blue forehead. The whole upper beak is cream while the lower is black.
The D. n. longipennis appears to be a differentiation of the D. n. cumanensis with longer wing flight feathers, hence the name.