A tiny bird of lower montane forest and edge on Mindanao, where it feeds on mistletoe. Glossy black above and brown below, with a whitish moustache stripe bordered below by a thin black line, a thin white throat patch, and a white line on the sides. Female has a blackish-brown crown and upperparts. Distinguished from all other flowerpeckers by its brown underparts. Voice is a soft “chup” or harsh “juk!”