The Lively Twig

The twig moves of its own accord! It is a nondescript twig: two colors but both are natural, both blend. Half black, half tan. It moves steadily but fairly quickly, for something of such a miniscule size. It stumbles over a cigarette butt twenty times its size. It moves, moves, moves until it is out of sight, disappearing into the cracks between the cobblestones we tread upon.