I've acquired some land that is over run with rabbits but the farmer seems to have a fetish for corrugated metal. There are old sandpits with metal dumped into them where obviously the rabbits have realized they're on to a good thing and dug warrens under the all the junk cos they're virtually bomb proof.
The ferrets manage to get around it OK but would a ferret finder work if the ferret is under layers of metal sheeting?
Also,most of the warrens are dug into steep banks so the warren probably goes down quite a way. All of the ferreting videos I've seen are set in nice,clear meadows with lit