I have a bramha hen - about 10 months old that is sitting on a the spot where 2 of my other hen lay (rod island and a white leghorn). The brahma used to lay in the same spot until she stopped laying. The other two keep laying next to the bramha who then sits on their (unfertile) eggs and won't let me near the nest. I move her gently with a broom and take the eggs everyday. She never moves. I've started pushing her out of the shed where this is so that she eats and drinks at least twice a day. What's up with this? She's not laying, there are no eggs there after I collect everyday and she won't leave the nest... she was the smart one of the bunch but now I wonder! My americuna hen lays in every hiding place in the yard. They are all free range. What do I do to get the brahma moving?