ESTABLISHING MS of rattle snake den. CU of head of rattle snake. CU of torso of rattle snake moving. Backlit CU of head of rattle snake. Toplit CU of head of rattle snake, ZOOM OUT. MS of rattle snakes at mouth of den. MS of rattle snakes going out into sun. MCU of two rattle snakes at mouth of den. CU of rattle snake's torso moving, head to right. CU of rattle snake facing camera. Rattle snake competition of height (mating fight). CU of rattle snake competition for mating. MS of winner rattle snake chasing away loser. MS of rattle snake chasing other from den. (223)