How does Xuanfeng mother bird call?

Xuanfeng mother birds are generally not screaming.After entering the estrus period, the Xuanfeng parrot prefers the tweet. When the tweet, the wings will be arched.Xuanfeng parrot male bird is larger than the mother bird, standing upright, and the mother bird likes to lie on his stomach.The number of male bird crown feathers is more than female birds, and the texture is thicker than the mother bird, and the color of the ear feathers is deeper than the female bird.