Up Next
Back to Show
Changing Seas
Humpback Health
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.
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
26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.
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.