A really cranky billy goat would take care of the problem for you. It would create all sorts of new ones, but I bet word would get out amongst the junior set to stay off thr property.
Of course, you'd have to fence the property to put goats on it, so problem solved.
A really mean rooster might do the job too...

Of course, you'd have to fence the property to put goats on it, so problem solved.
A really mean rooster might do the job too...