How far the gray swallows can fly

Gray Yan can fly dozens of meters away.The bird's head is not large, and the ability to fly is not strong, so the distance is not far away.Under normal circumstances, raising this bird needs cage. Usually, it will only open the cage when it adds water and water, so it cannot fly.If you want to be more secure, you can cut the bird's flying feathers, so that the flight ability will be affected.