20.5 - 21.5 cm. Eyes dark. Bill blackish, small. Area between the bill and eyes dark bordered with white stripes; white eye-crescents. Nape, back and rump olive brown; wings darker, edged rufous, with buff stripe across base of flight feathers. Head, throat, chest, belly, flanks and feathers that cover undertail gray. Central tail feathers grayish, rest blackish, some outer feathers white. Legs grayish to flesh color. Males and females are similar. Juveniles are similar to adults, but with head and body whitish to pale buff, strongly scalloped dark brown.