And you can see it live in this video (I apologize- I can't for the life of me get it to rotate right-side-up. But you can get the picture- you can see it going to town on the intestines):
The red-tailed hawk eats squirrels and other mammals like mice, rabbits, and voles. They also prey on ground birds like pheasants and bobwhites, as well as starlings and blackbirds. They'll even go after snakes! Basically they can carry away anything up to 5 lbs.