How far can I fly

My brother can fly hundreds of meters.This bird is smarter and can be trained for flying, that is, let it fly away and fly back to your own hand.You must train up the upper and lower bars first, that is, let it go up and down before feeding, and give rewards if you do right.Then you need to train to enter and make a cage, which also requires food rewards.When you are familiar with, you can fly, but you must not be frightened when you fly, or you may fly away.