Back to Show
Changing Seas
California Sea Otters: Life on the Edge
Season 16
Episode 1604
Adored by many for its cuddly appearance, the threatened southern sea otter is a voracious predator that needs to eat the equivalent of 25% of its body weight a day to survive. Once nearly hunted to extinction, this endearing marine weasel has made a slow comeback on California’s central coast, demonstrating its role as an ecosystem engineer in the process.
Support Provided By
Unlock with PBS Passport
26:44
Researchers provide data necessary to protect fish populations from further decline.
Unlock with PBS Passport
26:42
Researchers study what impact ecotourism might have on southern stingrays.
Unlock with PBS Passport
26:43
Researchers are beginning to understand where turtles go during their “lost years.”
Unlock with PBS Passport
27:02
Scientists spend a month in the Galapagos Islands to conduct research.
Unlock with PBS Passport
26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.