The small amount of garlic in garlic bread is safe for birds. I sprinkled a tiny amount of garlic powder on my bird's food to get rid of his mites and he loves it.

Refined wheat is no better for birds than it is for humans. You can do it but, don't do it often and, you aren't doing them any favor by feeding them junk.

No, you will kill your birds. The fact that you don't know what is and isn't poisonous to them shows how irresponsible some owners can be.

Nope.

It will kill them.

Garlic, onions and most other roots in those families are deadly to birds.

yes but it might give them stinky breath