I sorta doubt they have a lot of effect on the Pheasant population, some I am sure. Biggest problem, if you call it that, is the killing of calves and lambs. Some folks are starting to calve out about now, and they can take a lot of stock, in a hurry. We noticed that most of the Coyotes taken this year had mange, not good. Teams were from a bunch of States, Washington, Nebraska, Colorado, Missouri....Its a National type event, covered by several predator magazines, and partially sponsored by Sportsmans warehouse...