Diminutive blue flycatcher. Male is dark blue with a paler forehead and orange underparts. Female is brown above and pale buffy-orange below, with a rufous-tinted rump and tail. Forages at all levels of forest, but most readily seen when moving with mixed flocks in the lower and middle levels. Flicks tail and wings. Found in hilly and montane forest from foothills up to subalpine areas. Song is a brief, high, thin tinkling series of phrases.