Thanks for the info... I've already buried the bird at the back of the property, but if another gets sick/dies I will certainly get it looked into. We have wondered if squirrels getting into the pen and stealing food could expose them to diseases that kill them? (Haven't seen any, but the top half of the 9 ft. tall pen is the larger opening/ rectangular mesh wire- 3 inch long by 2 inch wide opening) I'm just getting upset because we keep losing hens, before they even get to laying age (these cochins are now about six months old and are so sweet- they are my babies!!) We've had some stolen, and then lost four for no reason we can figure. I've cleaned nesting boxes, water bowls, food bowls, changed hay in the pens/boxes, raked out the whole pen and coop, separated the OEG hen from the cochins in case she's bullying and we just can't see it through the fluffy feathers, *sigh* I'm running out of ideas of what it could be and/or how to prevent it. I'd be sad if I lost them to a raccoon again, but at least I'd have an explanation! /end rant Sorry... just very frustrated.