Medium size, approximately 45 cm in length. Male plumage is mainly dark gray, and was Lanceolate, green breast, tail feathers with Crimson side Edge. Most females are dark brown and heavily striped. Mainly distributed in China, there are 11 subspecies. The main habitat is 2400-3400m above sea level, dark coniferous forest in summer and Temperate broadleaf and mixed forest in winter.