Small and handsomely patterned flycatcher of lowland and foothill rainforest. Male has black upperparts, white underparts, yellow edge to the shoulders, and pale spot in front of eye. Female has olive back and wings, chestnut head, gray face and throat, and yellowish belly. Both sexes have a pale, yellow stripe along the inner part of the folded wing. Inhabits dense tangles in the forest understory, often in areas with bamboo. Gives sharp, metallic chips and a variety of excited trills.