bald spot

Hello everyone! I'm new here! My baby boy is named Pepe and he's 8 weeks old. He has a large bald spot on his head, his feathers are also a little bare on his neck and chest. I've been reading around and it seems he must have the lutino bald gene. I got him from a breeder and I saw his mom and...

What do the feathers on a normal, healthy tiel look like? I was watching Stella preen it and noticed the feathers look disheveled and thinned out. Are they supposed to look that way or does she have a plucking issue? I can't touch her yet to look at it closer or get a pic but I'll watch for her...