Good skill to have, and abundant cheap ammo, but it's not as easy as it looks, especially for catching game. Practice. Practice. Practice.
Well-said. Here is a guy who does just that.
The last half the video documents actual game kills, so avoid if you don't want to see that.
http://www.youtube.com/watch?v=RXASb6V0O8U&NR=1&feature=endscreen