Greanpeace: Dolphin Stories: Secrets (1990)

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Originally aired in the early nineties. Both wild and captive animals. Also contains a small section on Navy dolphins.

This was made by Bernd Wursig, Professor of Marine Mammalogy, Director of the Marine Mammal Research Program, and Co-Director of the Institute of Marine Life Sciences at Texas A&M University, and it is still relevant today.
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