Males have dark barred underwings, lightly barred underparts, dark grey upperparts and red eyes. The adult augur buzzard has white underparts and underwings. The underparts are white with dark barring on the underwings, lower breast, belly and undertail. The underwings and tail coverts are yellow. The underparts and forehead are white, and the underwings as the adult. The underwings and undertail are dull olive yellow. The moths are commonly known as underwing moths or simply underwings. The underwings are whitish overall with rufous markings, particularly in the patagial area. Its underwings are yellowish with black speckles. Its plumage is buff coloured, barred above with a black belly patch and pale underwings. They have brown upper-wings, back, and tail, along with a whitish breast and underwings. The rump, tail and wings are dark blue with lighter blue underwings. The underwings and rump are flashed and the birds call. It is a large thrush with a plain grey back and reddish underwings. The underwings and tail are finely barred.