Hello. Wondering if you ever figured out what was happening, we have a hen with the exact same symptoms. Very lethargic, just drinking, strange poop. It has been very cold, so we brought her inside a few nights ago, but she doesn't seem to be improving. Very worried...
I know this is an older thread, but I thought I would share that my Red Stars made it through the past two days of the arctic blast, last night it was -15 f, with wind chills in the -30s. They have a pretty well insulated coop, and a home made water heater that may provide additional heat. It's...