mostly a shot like that if the bird is rising put the front bead of your barrel on the back of his head and pull the trigger it may seem like you destroyed the bird but upon cleaning you'll find the shot string hit between the wings and up the neck and back of the head the breast and legs will be fine. on a going away level flight put the bead on his butt and shoot. These practices work out to about 30 yds.
to practice these if you have a clays thrower tilt the throwing arm till its nearly level and see how you do