Those puppies are quick, that's why I would never shoot one running.
Let assume they are 200 yards away, you can't tell if they are running 30 MPH or 45 MPH.
The difference in lead would be about a difference of 5 ft lead.........more then enough to muff a shot, wounding or crippling the critter.
CPT USAR Ret
USAMU Sniper School Oct '78
Distinguished Rifle Badge 1071