you do know that pine squirrels are about the same size as a gopher? i knew a guy who wouldnt kill anything he didnt eat. one time he shot a pine squirrel. he was carring it and i asked him what he was going to do with it. he said 'eat it', to which i said i just had to see. well, let's just say he didnt make it through the meal. really all they are good for is getting in your house and chewing wiring, insulation, and doing other unclean rodent things.
btw, i make mounds of snow out on the lake, then place the squirrels on them. the eagles usually pick them off within a half and hour. i do the same thing with one fish everytime i go fishing. i have one eagle that recognizes me and will watch. once i place it, i get about ten steps back and the bird has it already! it can be tough for them to come by a meal this time of year. nature wastes nothing.