I know ours started to get that way and for the 43 cent price of a bunch of cilantro at the grocery store some fresh chopped herbs brought her right back out of her funk...and ever since I have made it a point to bring her at least a handful of new tender grass or dandelion leaves I gather on the way out to her coop and we make a 'trade...egg for greens and we are both happy...and as said in my intro post, am getting materials to builds a 'chicken tractor...an old card table, some chicken wire, a rod for an axle and two old lawnmower wheels, and a few lengths of boards to frame the bottom legs and make the arms (think wheelbarrow style) and a hanging water bottle, will share a pic if it works! She will be safe from herself and the outside and still be a limited free range gal