what causes this, and can i fix it?
it doesn't hinder him/her in any way and he/she can roost just fine. it's about 7 weeks old i think. i'm feeding 24% starter/grower and 20% grower combined alsong with scratch. does it need calcium and/or grit now? it's in my coop, but not open to the run yet.

it doesn't hinder him/her in any way and he/she can roost just fine. it's about 7 weeks old i think. i'm feeding 24% starter/grower and 20% grower combined alsong with scratch. does it need calcium and/or grit now? it's in my coop, but not open to the run yet.