steve wrote: From what I have read on a Ag forum that I frequent, they are a real economic problem for some farms in part of Texas,

In upwards of approx. $52 million a year!!

We have a wild pig problem here in our area in Alberta, Canada. Our county has a fifty dollar bounty for a set of ears. The pigs aound here are very elusive and nocturnal. But there are lots of them and they can have something like three litters of twelve a year! The adjacent county has a 20 dollar bounty on coyoyes. Decent cash for having a fun day of hunting! That chopper sniping looks like a good time.