Ran onto an aquaintence at an auction today who reported having problems with beaver in his pond cutting down the trees he planted, digging into the earth dam, plugging up the spillway. He said they tried traps and shooting but no luck. I suggested spotlighting them at night and quickly got an invitation to try my luck. I've had good results in the past using the light, but you have to find a vantage point and conceal yourself and not go after the killed ones until you're through for the night or the smart little guys will go to their dens and stay. The shooting doesn't seem to spook them unless you miss close by several times. This kind of shooting will sharpen your shooting skills as head and eyes are small targets. My 222 does pretty good and the 40 gr. Hornadys don't richochet much off the water, but disintigrate nicely. most shots taken are under 50 yds.