I have never had chickens before, but would absolutely love it. I'm a country person at heart living in the middle of Dallas. I have a large double lot with a perfect place to put a chicken house, but I think I would want them to roam loose when I am home. Across the front of my property I have a 4 foot iron fence with 4 inches between the bars. Can anyone give me some advice as to whether the chickens could get out of that or not. I don't know how high chickens can jump/fly. Thanks!