Do grass bird recognize the owner

If the grass bird is raised for a long time, and it can be fed by himself, you can recognize the owner.If you want the grass bird to recognize the owner, you need a certain amount of effort. First of all, you must actively feed. Add food to it every day. The time you add should avoid the time of eating.Do not have too much contact after adding, so as not to eat it.After a period of time, it will be used to someone feeding. When it does not hide, it is basically acknowledging the Lord.