Is the gray bird a migratory bird?

The gray bird is not a migratory bird, but a bird staying.This bird is mainly produced in Southeast Asia. Later, many countries were introduced, and some regions in my country were also breeding.It does not migrate in the origin, because the local environmental temperature has not changed much, and the food is relatively sufficient.For manual breeding, cooling and heating up according to the situation to ensure that the environment of bird life is appropriate.