Only opinion here King that I'm sure will differ with others. In places that I've seen turkeys range naturally, they seem to stay in balance with the other critters. While I don't get over there like I did in the past, after Wisconsin made a push to introduce turkeys, it took its toll on the ruffed grouse. I don't know if they left so much as had eggs and chicks eaten.

If introduced turkey becomes some great success story that exceeds expectations, it'll likely be at the expense of something else. They are a pretty aggressive predator with an effective exit strategy if something else tries to feed on them. I've seen them peck at their reflections on basement widows not long ago in an area that used to be respectable with grouse maybe fifteenish years ago. It's not impressive.