Add Yahoo as a preferred source to see more of our stories on Google. A squirrel holds onto a pole and reaches for a bird feeder. - Ali Majdfar/Getty Images If you welcome birds into your backyard or ...

There's nothing quite like the simple joy of watching colorful birds flock to your backyard feeder. But then, a familiar foe appears: the squirrel. These acrobatic, little thieves can empty a feeder ...