The crest is the species
Each Cockatoo species carries a distinct crest: the Sulphur-Crested's narrow yellow fan, the Umbrella's wide white crown, the Major Mitchell's salmon-and-red banded crest, the Galah's pink swept-back crest. We read which species your bird is from the photo and renders the crest correctly raised or lowered. Neither species is normalized to another.
Plumage by species
Sulphur-Crested and Umbrella Cockatoos are predominantly white; Galahs are pink chest with gray back; Major Mitchells are salmon with white wings; Black Cockatoos (rarer in companion settings) are black with yellow or red tail panels. We hold the specific species coloration rather than defaulting to white. Bare eye-ring color — blue, pink, or featherless skin — carries through.
Watercolor and Library hold the bird
Watercolor flatters the white-and-yellow or pink-and-gray palettes without losing the crest definition. Library suits the long-lived companion bearing. Cherry Blossoms create complementary contrast against pink or salmon plumage. Art Nouveau treats the crest as decorative fan. The bird's size lets it carry larger formats — a Cockatoo at 60×80cm has the presence smaller parrots can't fill.