Variant defines the painting
Scarlet, blue-and-gold, hyacinth, green-winged, military, hybrid Catalina or Harlequin — each Macaw species carries a different color block layout that we read from your photo. A Scarlet's red-yellow-blue wing bands sit differently from a Blue-and-Gold's two-tone split or a Hyacinth's single saturated cobalt. Neither is normalized; your specific variant carries through.
The facial skin matters
Macaws have bare facial skin — white in Scarlets and Blue-and-Golds, yellow in Hyacinths, with characteristic fine feather lines running across in patterns specific to each individual. We read the feather lines from your photo rather than substituting a generic pattern. The bare patch is one of the bird's most identifying features and gets held precisely.
Art Nouveau was made for this bird
Macaws suit decorative line work — Art Nouveau's flowing curves flatter the long tail and the wing's color bands as ornamental panels. Pop Art handles the saturation cleanly. Cherry Blossoms create complementary contrast against red or blue plumage. Vineyard suits the green Macaws. The size lets the bird carry larger anchor formats that smaller parrots can't fill.