Do you need to cut feathers in white -faced mountain sparrow?

The white -faced mountain sparrow does not need to cut feathers.This bird is a bird, which is usually kept in a cage and will not be taken out to fly, so there is no need to cut feathers.If you are worried that the birds are flying away, you can also cut off the flying feather appropriately, but you don't need to cut too much, so as not to cause the birds to be injured.In addition, Feiyu must be cut symmetrically, how much is cut on the left, and how much to cut the right side to ensure that the birds can be balanced.