One of my Buff Or has been acting aggressive and defensive for about a week now. She fluffs up her neck and tail feathers with her head down when approached by the others. She also does this in the coop while sitting, her tail end up in the air. The last few days I have noticed that she is in a nest most of the time including times at night rather than roosting. Today I pulled her out to see what is going on down there( egg bound)?? Couldn't fill anything. When I put her out to eat with the others she squirted a large amount of waste, like diarrhea. I have put electrolytes in their water but am not sure what else to do or how serious this might be. Any help advice would be greatly appreciated.