Learning the following shooting positions will help ensure you can cleanly and ethically harvest game under a wide variety of circumstances.
Standing Shooting Position (Offhand)
The standing shooting position is the fastest shooting position to assume. gives the hunter the best field of view, allowing him or her to see over all but the tallest grass and brush.
Standing Shooting Position With Support
Support can come from a variety of sources: shooting sticks, a tree, etc
Kneeling Shooting Position
It is the second fastest shooting position to assume. When done correctly, it provides a fairly stable shooting position
Sitting Shooting Position
It takes a little more time to achieve than the kneeling firing position, but is even more stable
Unsupported Prone Shooting Position
It is the slowest position to achieve, but it is the most stable
Prone Shooting Position With Support
Increase your stability and make shooting at long distance much easier.