I've got 4 Barred Rocks all the same age, about 11 months old. One of the hens has been lying around in the nest box for much of the day. When I open the nest box, her feathers go up in a way that is similar to what you might envision the way the needles on a porcupine stand up. She makes these weird noises. I've been removing her from the nest box and putting her on the ground where she acts quiet for a few moments and then just starts acting normal.... roaming around pecking at the ground like usual. Does this all sound like broody behavior. My first chickens....so i've got no experience with all this. Thanks for the help.