Hi all, I am a new chicken owner (since May) and I have a flock of 14 sweet girls. three weeks ago I noticed that one had lost some feathers on her back, but I didn't really worry. now most of them have some type of feather loss (mostly neck and back, no vent feather loss), and one of my girls has lost almost all of the feathers on her neck and head. I'm very worried about her, she looks terrible! we were away during the holidays, so they were confined to their coop and run for a week (folks came by every couple days to check on them and refill water and food). the coop is 6X8 and the outside run is an extra 6X10 or so... since we have been back, they are back outside for part of the day. they aren't aggressive witheach other, and I haven't seen any excessive pecking although it might be happening at night when they are all in the coop. and they all seem healthy; they are eating and playing. any thoughts? if it is picking, what should I do? could it just be happening at night? and is there anything I can put on our one hen's neck to protect it? thanks for any help!