Size: L: 15 cm. Wt: 19-21 g. Males and females are similar.

Adult: upperparts dark olive-brown, with whitish eye stripe extending to nape; underparts white, with buffy flanks and blackish streaking on breast and sides; bill narrow, pointed, with blackish upper mandible, and yellow-orange lower mandible; legs bubblegum pink

Nestling: altricial and downy; down dark grey; mouth red; gape flanges yellow