With the alias of flower-tail pterosaur, the bird belongs to the Tetraonidae family of Galliformes order. Its scientific name is Tetrastes sewerzowi (Latin), or Hazel Grouse (English).

Its body-length is about 36 centimeters, weighing between 0.4 to 0.6 kilograms. The upper portion of the body is maroon, with obvious black transverse spots. The Vertex and occiput are dark maroon, mixed with black and gray spots. The chin and larynx are black, with white circumference. The chest is maroon, scumbling to the back to approximately white. The whole lower portion of the body is spotted with obvious black transverse bands. The outer rectrices are dark tan, with many white transverse spots, and white in terminals. A pair of the rectrices in the middle is chestnut brown, with 7 to 8 irregular transverse bands, which are alternated with black and brownish white bands.

It inhabits in alpine mixed broadleaf-conifer forests and bush lands, at an elevation of 3,200 to 3,800 meters, mainly feeding on semina, as well as insects.

Endemic to China, Hazel Grouse is mainly distributed in mountainous areas of Gansu, Qinghai, and Sichuan provinces. It is a kind of resident bird.