Ducks under Siege

1991 · John Heard 1946-2017., Turner Broadcasting System., National Audubon Society., WETA-TV (Television s · [Alexandria, Va.] : PBS Video

Examines the dangers facing migrating waterfowl in North America. Tells about the work of conservationists and scientists to save our ducks and marshlands from drought, agricultural expansion, and man. 1 videocassette (58 min.) : 1/2 in Originally shown on television in 1987 John Heard "NTAS202." Produced by Pamela Hogan and Philip Burton