Phoebe came into the coop and laid down she then strained like something was going on, then rolled onto her side. Closed her eyes like she was sleeping and stretched a leg out. She would get up and turn around and do it all over again. Did this for 40 minutes before getting up walking away and going about her business. She was pooping just fine and eating and drinking just fine. She's approximately 3 months old and is a Dark Brahma. I asked a question similar about her squatting and straining and never saw that behavior again nor have I seen this behavior before and I spend about 2-3 hours in the coop a day with them. I got about 3 minutes of it on video if it helps.