I shot a hen with my .308 this Thanksgiving at about 100 yards I took her head off with a neck shot. Most people say only to use a shotgun on turkey, but if your rifles accurate and You know how to shoot, you can cap birds at 100+ yards all day.
Try to put your tree stand in a tree with plenty of background cover, keep the prevailing winds for that time of the year to your face, and take care of those pesky squeaks and creaks your stand may have developed while sitting in the shed. A good treestand lube can be made by heating petroleum jelly until it reaches a liquid form. Some hunters have reported success by including a cover scent in this mixture before applying it to their stands.