A slippery seal Scientists at one time believed that northern elephant seals were extinct due to commercial sealing during the 1800s.

A female northern elephant seals equipped with bio-logging electronic tags to track its deep-ocean foraging behaviour is depicted in an undated illustration. Reuters ...

More northern elephant seals are on the beach in May at the Piedras Blancas rookery north of San Simeon than any other time of the year. Adult females, returned from their short migration, sleep ...

The northern elephant seal, plucked from the brink of extinction, is a rare conservation success story.

The seals are usually negatively buoyant at that point, passively falling into the depths at a corkscrew spiral. Measuring this was easier with juvenile female or smaller juvenile elephant seals as ...

A pregnant female elephant seal arrives on the beach at Año Nuevo Reserve to give birth after seven months at sea. The reproductive success of female elephant seals depends on their ability to ...

For this project, the team adhered tiny video loggers to the cheeks of nine female northern elephant seals at California's Año Nuevo State Park.

When eight young northern elephant seals suddenly began showing up at a deep-sea observatory, researchers were taken by surprise. Their repeated visits to the research site, otherwise a speck in ...

Instruments carried by migrating elephant seals measured deep warm-water anomalies that lasted much longer than the surface warming.

A female northern elephant seal with her pup on the beach at Año Nuevo Reserve. (Photo by Dan Costa) Changing environmental conditions may threaten marine mammal populations by making it harder to ...