hey guys i have currently a pen i built it is 14 feet long and around 9 feet wide and 6 feet tall. the pen is 14 feet in the front then is on a diagonal back so it gets bigger to the back. i have a peking duck/swedish duck/2 silkies/ and 1 japanese bantam. is this enough room for them? i have 3 houses as you can tell in the picture below. i have one white house, a house thats a little higher and a doghouse off of the pen. Is this sufficient enough? i would also like to add a runner to the group. Will i have enough room?