changing seas
Mystery of the Humpback Whale Song

Wed, Aug 18 3:30 P.M. NH WORLD      

Each winter, a population of humpback whales migrates to its breeding grounds in the Hawaiian Islands. It is here that male humpbacks perform their elaborate and haunting song. Experts are studying the purpose of this song and what it might tell them about the animals' overall fitness.

Episode Duration: 26 minutes and 46 seconds

Episode Number: 1104

All broadcast times for this episode: (show all)

Wed, Aug 18 3:30 P.M. Mystery of the Humpback Whale Song     NH WORLD

About Changing Seas:

CHANGING SEAS takes viewers on an exciting adventure to the heart of our liquid planet.

The documentary series offers an unprecedented look at how oceanographers and experts study earth's vast underwater wilderness, while shedding light on how over-fishing, global climate change and pollution threaten ocean resources.

Future Broadcast times for "Changing Seas": (show all)

Wed, Aug 18 3:30 P.M. Mystery of the Humpback Whale Song     NH WORLD
Fri, Aug 20 1:00 P.M. The Cordell Bank: A National Treasure     NH WORLD
Wed, Aug 25 3:00 P.M. Corals In Crisis     NH WORLD
Thu, Aug 26 2:00 P.M. The Fate of Carbon     NH WORLD
Mon, Aug 30 1:30 P.M. Sponges: Oldest Creatures in the Sea?     NH WORLD

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