Habitat
Elfin or montane dwarf forest on ridges and summits, montane wet forest and sometimes lower-elevation wet forest, Podocarpus dominated forest, with areas having a dense canopy with vines, high subcanopy and sparse understorey. From 370 - 1,030 m.
Voice
Song is a series of short, rapid notes ending with a slightly lower series of double notes. Contact call similar to first part of song. Seldom gives short, metallic 'chip'.
Similar Species
Wintering Black-and-white Warbler (Mniotilta varia), but distinguished by lack of broad white crown-stripe, and behaviour. Elfin Woods Warbler (Setophaga angelae) gleans from leaves and twigs whereas Black-and-white Warbler (Mniotilta varia) creeps along trunks and limbs of trees.
References
See References.