The first documented case of cooperative hunting between killer whales and dolphins has been observed in the waters off ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...

A pod of four transient killer whales — including a calf — was spotted Sunday, May 10, 2025, swimming out of the Yaquina River toward the ocean. It’s the latest in a steady stream of orca sightings ...

A family of killer whales was spotted swimming in the waters of downtown Vancouver, stunning passengers aboard a tourist ferry. Video shared on social media by False Creek Ferries of the Sunday ...

Scientists have discovered the cuisine preferences of two resident killer whale populations, also known as orcas: the Alaska residents and the southern residents, which reside primarily in the Salish ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

A team led by researchers at the University of Washington and the National Oceanic and Atmospheric Administration has uncovered key information about what resident killer whale populations are eating.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.