Orca pods are led by the founding matriarch, and Similä thinks these “wise mothers” teach their calves to avoid fishing boats ...

For generations, humans and killer whales worked together off the coast of Australia, forming one of the most extraordinary ...

"We started out the day just like any other day" recalls Adam Ernster. "There was so much to see. Pods of dolphins 100 strong ...

Orcas are among the ocean's most formidable predators, capable of hunting seals, dolphins and even other whales through ...

The Eastern Tropical Pacific orcas were spotted about 5 miles off Dana Point, heading north by the afternoon to near Newport Beach.

Apparently even whales enjoy horsing around. The reason orca whales have been attacking European ships recently isn’t due to targeted violence, but rather that the enormous mammals consider it a form ...

Dolphins, and even fin whales, are on the menu for these tropical killer whales that have been showing up off local waters.

Despite their menacing names, killer whales are highly social, playful creatures that form special bonds within their pods. The marine mammals have been known to care for their sick or injured peers ...

The false killer whale is a large member of the Delphinidae family, or dolphins. Members of this family include all dolphin species, as well as other larger species, such as killer whales, long-finned ...