oh, they'll be back if you have grubs , thats why they're digging holes, we had two babies in the yard a couple of weeks ago, we stood there watching the cute little things, but cute or not, they stink up the place so as of tonight, they don't get a second chance, sss. as for the run, if it moved a log, probably a coon, they're quite strong and if its coons, lock the chickens up nice and tight.I hate that smell! I'm hoping the ones that were digging up my yard moved on. I was smelling them a few times a week but lately no smell or holes all over my yard. Now I just have to fi d out what got into my run last night. Hope the smell dies down soon for you.