Back to Show
Changing Seas
1802 The Seals of Sable Island | Changing Seas | Preview
Each winter, Sable Island transforms into the planet’s largest gray seal breeding colony. The Canadian government has studied this seal population since the 1960s, and now experts from the U.S. are conducting a unique physiological study on mom and pup pairs to better understand how iron transferred during lactation influences a pup’s survival.
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.