Size: L: 15 cm. Wt: 17-18 g. Males and females are similar.

Adult: upperparts dark olive brown, with buffy eyebrow ending before nape; underparts entirely buffy or whitish, with blackish streaking on breast and sides; bill narrow, pointed, with black upper mandible and pale orangish lower mandible; legs dull pinkish-orange

Nestling: altricial and downy; down dark olive-brown; mouth red; gape flanges yellow