Chicks have white down and a cape of black scapular feathers.

The long scapular feathers were once popular for use in decorating hats.

Swallow ruffled my scapular feathers, withdrew her sword and I got up with alacrity.

The upperparts are grey with dark streaks and there are white spots on the scapular feathers.

The upperparts are blackish-brown with pale fringes to the wing-coverts and scapular feathers.

The plumage of males is black with scapular feathers that have a green iridescence when they refract sunlight.

The adult's crown and back have many pale spots, which are biggest on the scapular feathers (where the wings join the back).

The plumage of the body was indigo, and the back, scapular feathers and wings were metallic blue.

Males display during the breeding season by splaying the tail, fluttering and puffing up the white scapular feathers.

The rest of the plumage is grey, with loose grey scapular feathers It has a grey bill and legs.

The adult male has gray, red-tipped nape feathers and tawny scapular feathers.

The upper breast, flank and scapular feathers had broader buff edges, and the underwings were lighter.

In addition, some full-grown birds (especially in North America) have white "epaulettes" on the upper part of each scapular feather tract.

The scapular feathers are a dark chestnut color and are fringed with iridescence that can appear violet, green, or lilac in different lights.

It is a dark rufous-brown above, with barred scapular feathers and variable amounts of spotting or barring on the wings and tail.

The outer scapular feathers are white, with a black border to the outer vanes, and form the white side-stripe when the bird is in resting position.

Although the feathers are black, the scapular feathers produce a purple iridescence when they reflect sunlight (in contrast the male Great Frigatebird has a green sheen).

The species exhibits sexual dimorphism; the female is larger than the adult male and has a white throat and breast, and the male's scapular feathers have a purple-green sheen.

A colour plate from a 1765 book of natural history (no. 12, entitled "L'Ara Rouge") shows a red macaw with entirely red tail feathers and more red on the tertial and scapular feathers of the wing than are present on the Scarlet Macaw.