Southern elephant seals are among the largest and most aggressive marine mammals on Earth, with giant males capable of reaching 11,000 pounds and fighting violent battles for control of breeding ...

A five-year-old elephant seal known as Neil has returned to land in Tasmania as part of his normal behavioural cycle. A video posted online shows the seal being coerced off a road by Tasmanian ...

Every winter about 10,000 elephant seals make their way to California's Año Nuevo State Park to fight, mate and give birth. The spectacle runs from mid-December through March, drawing wildlife ...

Elephant seals are huge, gray and blubbery. They have a big snout and a very distinctive voice. (SOUNDBITE OF ELEPHANT SEAL GRUNTING) SUMMERS: But despite the obvious differences, elephant seals ...

These two male elephant seals took their battle into the ocean at the Piedras Blancas rookery. The one on the right began the fight with bleeding wounds on his chest shield. Christine Heinrichs ...

“The animals are amazing. I mean, everything they do is extreme,” said Daniel Costa, professor of ecology and evolutionary biology at UC Santa Cruz. “They’re the deepest-diving pinniped and they dive ...