I was sat at a park watching the view , when all of a sudden i started hearing long barking sounds and i looked up , and saw this dog owner watching as his dog hang onto a branch and bark at a squirrel or bird i assume , but this went on for a long 4-5 minutes as i didn’t think it would go on that long i only managed to film the last couple seconds of it but this went on for so long and he just sat there and watched it , just thought it was peculiar as maybe it was some form of exercise or something idk sounds weird