Heinz Sielmann-Produktion
In 1966, Heinz Sielmann sets off on his longest expedition. He spent 19 months traveling through the wilderness of North America. From the alligator swamps of the Everglades to the breeding grounds of arctic waterfowl.
Microcosmos
PBS Nature - An Original DUCKumentary
Big Bend: The Wild Frontier of Texas
Under the Cold Stars
The Emperor's New Clothes
The Fabulous South Seas
Wild Shetland: Scotland's Viking Frontier