AERIAL SHOTS of Delta waterfowl research station on south shore of lake Manitoba. Shots of buildings at Delta waterfowl research station. Various types of ducks and geese in station ponds. Shots of Canada geese in flight. Shots of Canada geese with young at nest on ground and of geese swimming and diving. Numerous shots of drake pintails swimming in pond. Shots of terns in flight over water. Shots of canvas back ducks swimming in pond.