He Built An “American Ninja Warrior” Course For Squirrels In His Yard

Mark Rober set up a bird feeder in his backyard, he then found he had a new enemy, the neighborhood squirrels.

These things got into every squirrel proof bird feeder he bought.

So.... Mark built a “American Ninja Warrior” course for the critters. Let’s just say he underestimated his little friends.