Since many of us may be paying more attention to our backyard bird feeders these days, you may have also noticed a competitor for the bird seed in the form of the Gray Squirrel.
A former NASA JPL engineer who became a bird-watcher noticed the squirrels and tried to do something about it by creating an obstacle course. You can watch the hilarious results on the video Mark Rober posted Building the Perfect Squirrel Proof Bird Feeder