How high the blue song can fly

Blue song is a small ring poultry. This type of bird generally does not exceed 150 meters. The higher the air, the thinner the air, and the thinner it is, and it will be unfavorable to its breathing.It is small in size, and there is no need to fly too high. Artificial breeding is used as a bird. Basically, it will only listen to its sound and will not conduct training such as flying.Feiyu, limit its flight.