The King Quail is a small dark quail, mostly brown in colour. The adult male has a distinctive appearance with a blue-grey forehead and face, and a black and white pattern on its chin and throat. It has faint white streaks and black bars on the top of its head and on its wings. The sides of its face, its chest and its sides are slate-blue. It has a chestnut belly and yellow legs. The female is like a minature Brown Quail, Coturnix ypsilophora, and is dark brown and faintly streaked. It has a white throat and is the only small quail with a barred underside. It is also known as Blue-breasted, Chestnut-bellied, Dwarf, Least, Swamp, Chinese, or Chinese Painted Quail.