New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists important information that can help protect the animals.

A YouTube video from BioArk delves into the hunting and killing methods of orcas, specifically their approach to targeting moose. It may sound impossible when you think of a sea mammal hunting a land ...

Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives. Some populations hug familiar coastlines generation after generation, while ...

In Patagonia, killer whales snatch seal lion pups from the shore. But as Steve Backshall recalls, these apex predators don’t ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

Where there are Chinook salmon, the orcas will likely follow — including the mouth of the Columbia River. Despite what can feel like a desperate and futile effort to save the region’s venerated ...

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...

Orcas, or killer whales, are deadly and beautiful apex predators. Smithsonian removes Trump impeachment text as it swaps his ...

Tahlequah, the killer whale who carried her dead calf and swam with him for 17 days, has given birth to her second baby since 2018. The Center for Whale Research first became aware of the new calf on ...