Why can't the fish eagle leave the owner

Favorite is a kind of bird that is easily domesticated. After a long time, it is inseparable from the owner.This kind of bird is not a real eagle, but a cricket. After domestication, it will put a ring around its neck. Although it will not affect breathing, it cannot swallow the fish so that it can use it to fish fishing.It's right.A small fish will be rewarded after each fishing so that it can maintain vitality without becoming lazy because of full.