Parrots.

They have recently discovered the secret of learning about birds. While researching parrots, they found that the bird has a special region in its brain. Which they call course.

This course controls the whole thing. Master Moyna, Tia, Tota in voice imitation due to having chorus.

There is also a set of shells or outer rings, these shells also have a big role in the sound learning of birds. In the case of these birds, these shells are larger in size than other birds. Which is why they listen to people and imitate so well.