They roam our area all the time. I have had them on the farm a few times but mostly I see them as road kill. I have stopped at a number of the roadkill and gathered hand fulls of quills. I have a ziplock full of them now. About 5 or 6 years ago my old dog got into it with one and ended up filling his mouth and snout with quills. That was not fun and he was screwed up for a good couple weeks after the vet visit and removal.