Skip to main content

Up Next

Humpback Health

Humpback Health

Preview
4:04

Ancient Adriatic: Croatia's Sunken History

Season 16 Episode 1601
26:42

Eagle Rays: Soaring on Spotted Wings

Season 16 Episode 1602
26:42

Maui Aloha ‘Āina: From Mauka to Makai

Season 16 Episode 1603
26:42
California Sea Otters: Life on the Edge

California Sea Otters: Life on the Edge

Season 16 Episode 1604
26:42
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
Back to Show
Changing Seas

Vanishing Whales

The humpback whale population that migrates between Hawaiʻi 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.

Support Provided By
Season
California Sea Otters: Life on the Edge
26:42
Experts study southern sea otters to ensure their longtime survival on California’s coast.
Islanders restore Maui's watersheds through traditional Hawaiian wisdom.
Florida scientists make remarkable discoveries about whitespotted eagle rays.
Marine archaeologists uncover a Roman shipwreck on Croatia's Adriatic Coast.
Life in the Dark: The Polar Night
Unlock with PBS Passport
26:42
Researchers brave the Arctic’s cold and dark to reveal the mysteries of the Polar Night.
Bermuda: Life at Ocean's Edge
Unlock with PBS Passport
26:42
Amid shipwrecks and shifting sands, Bermuda’s corals offer clues to climate resilience.
Sharks in Belize: Jaguars of the Sea
Unlock with PBS Passport
26:42
Knowledgeable fishers collaborate with scientists to keep sharks abundant.
Mollusks: More than a Shell
26:42
Researchers and citizen scientists document the fascinating lives of seashells.
Changing Seas Season 14
Unlock with PBS Passport
26:42
Florida’s gentle giants are dying in record numbers.
Kelp: Hidden Treasure of the Salish Sea
Unlock with PBS Passport
26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.
Humpback Health
Unlock with PBS Passport
26:42
Scientists study the body size and health of humpback whales across their migratory cycle.
Vanishing Whales
26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.
Active loading indicator