We have 11 hens and they are almost a year old and two roosters. They are all free range and locked up safely at night. One of our Rhode Island reds has been staying by herself in the run and roosting in the middle of the day. When I brought her on the porch to check her out she just wanted to hide under chairs. She did peck at my herb garden a little and she ate some blueberries I offered her. She also drank water. I though maybe she was egg bound so I soaked her in an epsom salt bath and checked her vent and couldn’t feel an egg. I kept her inside last night. She’s fluffed Up this morning, but hasn’t laid an egg yet. Her crop doesn’t look full. Any ideas what could be going on?