Medium-sized, strikingly patterned songbird endemic to Taiwan, where fairly common. Brown above, white below, with white supercilium, black mask, and heavy black spots on the breast. Downcurved bill is black above and pale below. Inhabits forests from the lowlands up into montane regions, moving through dense vegetation in small parties. Gives a range of different calls, including hoots and loud grating notes. Known to imitate other species.