A sleek slenderly built bird with white forehead, face, throat and undertail coverts.  The white of the head merges streakily into the greenish-grey-black of the back, wings and tail while the white throat shades into the smokey-grey of the breast and underparts which are streaked with white.  The bill colour is pale greyish-green and the legs are bluish grey while the eye colour is whitish.  The orbital skin is dull bluish.  Sexes alike.  This is a rare bird confined to the tall forests of wet zone and adjacent areas ascending to about 1500 metres.  Strictly arboreal frequenting tops of tall trees.  Lives in pairs or small flocks.