How does Brown-backed Shrike divide male and female?

Brown-backed Shrike is a bird of the genus Shrike, commonly known as Guilam and Huang Shilao, which is literally translated as long-tailed Shrike. Brown back Shrike is characterized by a thick black eye pattern or crown, black wings, long tail black, gray upper body and brown lower body. Widely distributed in the eastern coast and south of China, including Taiwan, Hainan and other provinces, it is a very common resident bird. So how does brownback Shrike divide his parents?

How does Brown-backed Shrike divide male and female?

The black belt on the head of the brown back Brauo is thicker, the white feather on the wing is bright and white, the black belt of the mother is less, and the white feather on the wing is dark and white. If you listen to the cry, the male should be cooler and the mother should keep her voice down.

There are 13 subspecies of Brown-backed Shrike, and there are four subspecies in China.

Brown-backed Shrike Taiwan subspecies. Distributed in China. The model origin of this species is on Taiwan Island.

Brown-backed Shrike Hainan subspecies. Distributed in Hainan and other places in China. The model origin of this species is in Hainan Island.

Brown-backed Shrike named subspecies. In China, it is distributed in the south of the Yangtze River, Gansu, Shaanxi, Sichuan and Yunnan in the west, and occasionally in Shandong and other places. The model origin of this species is in China.

Southwestern subspecies of brown-backed Shrike. Distributed in Nepal, Thailand, Myanmar, India and China's Yunnan, Xizang and other places. The model origin of the species is in Nepal. The difference between this subspecies and other subspecies is that from forehead to upper back, eyes first to ear feathers are all black, and the rest of the upper body and shoulders are light brown. Domestic distribution in Yunnan and Xizang Changdu area (resident birds).