I too, would like to know where feral hogs or wild boar exist in upstate NY. This is the first I've heard of this and have hunted NY for several years now.
I would love to hunt one of these critters in the wild so close to home, contrary to what some seem to think on this forum.
Do you hunt them only on a private farm or do they live on state land as well?
I am aware that these hogs/boars can cause havoc on the landscape and make it difficult on livestock that live on these farms. Would the farmer allow other hunters to trespass/hunt for these hogs? Most farmers here in NJ will grant quick permission to hunt groundhogs and coyotes because they're both a nuisance to the farm. Once they're comfortable with you as a varmint hunter, they often give permission to hunt deer or turkey as well.