Hi, i have budgie 3 months, doesnt knoe how to swallow millet, he just eat little egg ot parsley, im wih him hand feeding, i noticed that his skin became yellow and thick in some part just infront neck, i removed one pieces cuz i thought it is dried cerelac , see that the feathers follicle are in this skin, what is happen? Why his skin become yellow and thick and started to separate from other skin from the edges