Male: glossy blue-black and white; white wing-patch and white in outer tail distinctive; glossy blue-black throat and breast; white below. Female: rich slaty grey, where male is black. A familiar bird of India. Solitary or in pairs, sometimes with other birds in mixed parties; hops on ground, preferring shaded areas; common about habitation; when perched, often cocks tail; flicks tail often, especially when making short sallies; active at dusk; remarkable songster, very rich voice.