I have a 2-3 week old chick. It's starting to grow its grown up feathers and already has a decent amount of grown up wings and tail feathers. However, I noticed that it has been nipping and cutting off little tiny peices of its baby fuzz from everywhere and specially from underneath it's wings, like in this picture. I've never had chicks before so I was wondering if this is normal, like maybe it's just trying to "prune" it's baby fur to make room for it's grown up feathers? I really don't know, but it does it quite frequently, about every few minutes or so.