Aiming and shooting at a moving target. How to lead ducks. Shooting ducks

How to lead ducks. Shooting ducks.
See: http://huntsfish.com
See also:
Hunting rifle, aiming, shooting:
http://huntsfish.com/guns-rifle.html
Collection good video about fishing for pike, bream, crucian carp, etc.:
http://huntsfish.com/fishing-video.html