Humpback Health -
changing seas

Sun, Sep 20 6:30 A.M. NHPBS (11.1)

How does the body size and overall health of humpback whales change across their migratory cycle? A team of researchers studying the animals, which spend part of the year feeding in Alaska and a few months fasting while in their Hawaiian breeding grounds, is making remarkable discoveries.

Duration: 26 minutes and 46 seconds

Episode Number: 1402

All broadcast times for this episode: (show all)

Sun, Sep 20	6:30 A.M.	Humpback Health NHPBS (11.1)

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.

Watch Changing Seas - Clips, Episodes & Previews

Bermuda: Life at Ocean's Edge

Life in the Dark: The Polar Night

Sharks in Belize: Jaguars of the Sea

Humpback Health

Corals in Crisis

Dolphins: Breaking the Code

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

Sun, Aug 23	6:30 A.M.	At The Water's Edge: The Salt Marsh NHPBS (11.1)
Sun, Aug 30	6:30 A.M.	Alvin: Pioneer of the Deep NHPBS (11.1)
Sun, Sep 6	6:30 A.M.	Habitats: The Key to Florida's Fisheries NHPBS (11.1)
Sun, Sep 13	6:30 A.M.	Vanishing Whales NHPBS (11.1)
Sun, Sep 20	6:30 A.M.	Humpback Health NHPBS (11.1)