When I went out last night to close up my coop I happened to go over to the grain bin to check to see if I needed more grain. When I looked into the bin I was very surprised at what I found....no it wasn't a rat or a mouse...it was one of 2 flying squirrels. I am in the process of building a new coop with room for a new grain bin. So until I finish it I have put a small string of flashing white Christmas mini lights draped across the bins in the old one. Since Flying squirrels are nocturnal I hope that the flashing bright white lights will keep them out. I will keep you updated as to wether this works. A friend of mine keep the deer from eating her yew hedge by keeping flashing white Christmas lights decorating her hedge all year long. Oh, I looked up flying squirrels...they are on the endangered list just my luck.