Hi, I am in serious need of help. Some animal that I have never seen, is living under the coop. I know it's there because in the morning I see several tunnels. Some are small, the size of a rat, and some are big, the size of a rabbit. We do have a huge rabbit population. I have not seen any animal poo besides that from my chickens. So far, I've plugged holes, many holes. Then I added a wall between the coop and the run. Then I added chicken wire. Still the animal digs under. I have added more bricks. It's useless, it keeps digging under everything I put. Today I removed part of the wall, and I have been raking the stuff from under the coop, trying to flush it out, but nothing. I'm looking for any advice!!! Thanks!!