MS (great for advertising) of two black guillemots on ice at water's edge, vocalizing to one another (really looks like they are conversing), one getting into water and swimming off out of shot, second following. TRACKING MS/MCU of black guillemot swimming, swimming out of shot. MS of black guillemot in water, ice in background, turning tail up and diving, disappearing underwater. (LETTERBOXED MATERIAL) (40902)