The general plumage is very sober, being a pure ashy olive, with a purplish tinge on the back; the crown of the head is beautifully glossed with pale metallic violet, and the feathers of the front extend as much over the beak as inmost of the family.

The neck and breast are scaled with fine metallic green, and the feathers on the lower part are elongated on each side, so as to form a two-pointed gorget, which can be folded beneath the wings, or partially erected and spread out in the same way as the side plumes of most of the birds of paradise.

The four long white plumes which give the bird its altogether unique character, spring from little tubercles close to the upper edge of the shoulder or bend of the wing; they are narrow, gentle curved, and equally webbed on both sides, of a pure creamy white colour.

They are about six inches long, equalling the wing, and can be raised at right angles to it, or laid along the body at the pleasure of the bird.

The bill is horn colour, the legs yellow, and the iris pale olive.