RE: Bearded Hens.
I've got 19 birds in my yard as I type. One long beard and two bearded hens, one about 4" and one about 6". I have seen one or two every winter for about 25 years with about 7" being the longest. All have been pencil thin. I would think that even 5% of the hens being bearded is a bit high although close to accurate.