Does Alexander Parrot need to cut feathers?

Alexander's big parrot needs to cut feathers. Cut feathers can prevent some accidents.There are benefits and disadvantages of cutting feathers. For this kind of parrot, shearing feathers are mainly to limit their flight. If the cut is properly cut, the birds can fly, but the flying is not high and not far away.If it is not cut well, the birds may fall directly when they fly, causing it to fall.