Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Changing Seas
Vanishing Whales
Season 14
Episode 1401
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
Unlock with PBS Passport
26:42
Researchers brave the Arctic’s cold and dark to reveal the mysteries of the Polar Night.
Unlock with PBS Passport
26:42
Amid shipwrecks and shifting sands, Bermuda’s corals offer clues to climate resilience.
Unlock with PBS Passport
26:42
Knowledgeable fishers collaborate with scientists to keep sharks abundant.
Unlock with PBS Passport
26:42
Researchers and citizen scientists document the fascinating lives of seashells.
Unlock with PBS Passport
26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.
Unlock with PBS Passport
26:42
Scientists study the body size and health of humpback whales across their migratory cycle.
Unlock with PBS Passport
26:47
Scientists employ creative solutions to restore and reconnect Florida’s mangroves
Unlock with PBS Passport
26:42
Scientists study salt marshes along scenic coastlines in the South.
Unlock with PBS Passport
26:42
Scientists team up with anglers to study the survival rates of the fish.
Unlock with PBS Passport
26:53
Scientists study what makes certain corals more resilient than others.