By nudging a tennis ball down a flight of stairs -- and then beating the ball to the bottom -- a very clever Jack Russell terrier named Sid has figured out a way to play fetch with himself.

Sid's innovation delights his owner, as you can see in the video below, but it might not be such a good thing for humanity. In fact, if the canine species figures out a better way to scratch behind their ears, man's best friend might realize they don't need man after all.

[via Huffington Post]