I've taken 50 plus grey digger squirrels over the past 3 years. Mostly 30-90 ft using the back porch hand rail as a rest ( I'm 85 and a little unsteady). Haven't seen any in over a month. This morning 8:20am there were 2 eating up the bird seed. I keep a Gamo Urban 5.5 by the back door with a scope. As I tried to aim the sun was blinding the scope, I couldn't see a darned thing, Rats ! I'll get-em' next time. Bill