The body length is similar to that of other starlings, 20-23cm. The mouth is scarlet and the feet are orange. The male bird's head and neck are silky white or brownish white, his back is dark gray, his chest is gray, and all of them fade backwards, and his wings and tail are black. Female bird's head is brownish white in the front, dark gray in the back, grayish brown in the upper body and grayish brown in the lower body, other males. The characteristics are obvious and it is not difficult to identify in the field.
Most of them live in open plains, agricultural areas and jungles, and nest in wall holes or tree holes. In China, it is mainly distributed in South China, Shaanxi, Henan, Anhui and Jiangsu to Guangdong, Hainan, Sichuan and western Yunnan. Japan and Vietnam also have it.