The most frequent visitor to my bird feeder isn't exactly a bird. Squirrels love birdseed and unless your feeder is suspended from the Goodyear Blimp, you will have a squirrel or two hanging around. For a long time I was determined to out-smart them and devised a number of “squirrel-proof” feeders. Unfortunately, nothing I've invented so far has taken more than 30 minutes for the squirrels to master. (By the way, the term 'squirrel-proof' is not listed in any dictionary or science book.) Very soon I noticed the score was squirrels 6, me 0. (more…)