Eye Witness No 27: Alberta Blitzes Prairie Killers: shots of man handing rifle to second man in Tiger Moth on skis, of two Tiger Moths biplanes on snow-covered prairie. CU of pilot in cockpit, scanning prairie field through window. AIR TO AIR SHOTs of Fleet Finch on skis airborne, cockpit door opening, of Fleet Finch swooping over Alberta prairie, chasing coyote. AERIAL SHOT of coyote racing along edge of snow-covered ravine, chased by Tiger Moth plane.