Vanishing Whales -
changing seas

Sun, Sep 13 6:30 A.M. NHPBS (11.1)

The humpback whale population that migrates between Hawaii and Alaska is considered a conservation success story. When sightings of the animals suddenly dropped, people became concerned. Scientists in both locations are trying to understand what happened to the whales and why.

Duration: 26 minutes and 46 seconds

Episode Number: 1401

All broadcast times for this episode: (show all)

Sun, Sep 13	6:30 A.M.	Vanishing Whales 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

Vanishing Whales

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)