Nature Season 30 Episode 10 - Ocean Giants: Voices of the Sea

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30 - 10: Ocean Giants: Part Three - Voices of the Sea

The role of sound for whales and dolphins. Included: the songs of humpback whales, which can carry for thousands of miles; the echolocation abilities of sperm whales.

Air Date: 2/22/2012

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Nature: Season 30, Episode 10

30 - 10: Ocean Giants: Part Three - Voices of the Sea