Buttercup is lutino and completely bald under her chin, you can't see it when you look at her because the feathers on the sides of her face and neck cover it but when you give her scritches you soon realise there is a pretty large area that's bald under there. I'm talking maybe a centermeter and a half of bald going from her beak down her neck? That measurement is a guess since of course she won't hold still for me to measure or get a pic but it gives you can idea. There's no pin feathers, never been anything there and she's 4.5 months old. It's like a second bald patch to match the one on the top of her head under her chin. Is this normal?