I have a small flock of 3 polish hens that I've hand fed and cuddled every day for about 6 months. One of my hens started to peck my hand and my pant legs very hard a few days ago. I immediately stood up to appear bigger than her and she backed off. She was fine for the next few days, but I was keeping my distance. Yesterday she attacked me as soon as I sat down to feed them. She came up, pecked my hand hard and then jumped at me with her feet! I know she is not a roo, but I have no explanation as to why, suddenly, she would turn mean. I hope there is something I can do to change her behavior.