What's the difference between a pet rock and a boulder?... Food Nature judge pet seeing Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:What's the difference between a pet rock and a boulder? Over feeding.Click for another laugh! Previous article: Why was the farmer kicked out of the bakery?... Prev Next article: Why did the superstitious man's own hand attack him?... Next