It has been hatched for 3 months, and it is impossible for the hair to grow out. Generally, you will grow up in 30 days and you can eat independently in 40 days.
The eight characters outside the tiger skin are caused by too little sawdust in the breeding box. Now that they are all grown up, it is estimated that they can't be corrected.
No matter how excited the mother bird is, in this case, she has to leave.
Also, I suggest you take two photos of small tiger skins for me to see. It's rare that feathers haven't grown for three months.
I'll see if it's caused by malnutrition in tiger skin.