Yesterday I moved my rabbits outside the coop into a 16' x 18' colony yard. It has 6' high fencing that is buried 8-10" deep. I lined the inside of the fence with bricks, rocks, steel pipes, ect... to discourage digging. For shelter, I put out 3 large welded wire cages that are covered with plastic to keep out the rain. There is also a plywood box 4' x 18" x 15" high that is divided into 3 compartnents. I also put in an upside down storage tub with an opening in one end and a small wooden dog house type structure. In the middle of the yard I have 6-7 pieces of concrete about 3-4' x 8" x 12" (old sidewalk and foundation rubble) arranged in a labrynth of tunnels with a couple of caves. (kind of a rabbit jungle gym). At an odd angle to everything else I added a 2" x 8" x 10' board on edge to break up an open area. The bare dirt ground is covered in hay about 4' deep. I have a food and water station in each cage and a two additional water stations on opposite ends of the yard. I have 4 Flemish Giants (3 girls and a male, 7 months old), a year old male Rex and year old Californian, gender unknown. I was told that it was a girl, but the the Rex and the Californian took turns on top when I tried to breed them. There were a few skirmishes between the Californian and the others when they were first introduced into the colony. I kept a close eye on them for the afternoon, and today they were all getting along beautifully. Today they were chasing each other around, playing tag, hopscotch and other rabbit type games. There was no competition for food and they all relaxed together in the afternoon sun. I know that they will muddle bloodlines, but the offspring is for home use and none of the bunnies are papered anyway. My Muscovies were fascinated by the rabbits and spent about an hour watching the them frolick, butts wagging the whole time. Has anyone else done this? Any comments or suggestions?