Why does the turkey's mouth look like that

Species evolution. According to relevant information, the feather of this turkey is black with some white in the middle. There are many red sarcomas under the beak of turkey. Turkey: Pheasant is a walking bird. Also known as head-hairy chicken, it is11-1/5 cm long. Wingspan 125- 144 cm, weight 2.5- 1.8 kg. The head and neck are almost bare, only sparse feathers, and there is a red sarcoma in the throat.