Handsome bird which looks like a slender thrush. Black-and-white male is distinctive, with a white brow, extensive white wing patches, and clean white underparts. Female and juvenile are grungier-looking, with gray-brown replacing much of the black and rather dingy, dirty-looking underparts. Inhabits lowland and foothill forests, parks, and gardens. Contrary to its name, this bird does not usually trill; rather, it gives a range of low notes, particularly a nasal “checka-checkuh” and a rapid series of rattling, clacking, or whistled notes.