Is the three treasure birds a migratory bird?

The three treasure birds belong to the summer migratory bird in the north of our country, and the south belongs to the bird.Summer birds are birds flying in summer. Usually it flys to the north in summer, but there are also some birds that do not migrate in the south.The or not depends on the impact of the environment. Some bird's life is very suitable, and naturally it will not migrate to other places. Migration is generally for breeding or winter.