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

Orcas have dialects, family traditions and strong opinions about dinner. Scientist Dr Isabella Reeves is uncovering how their ...

According to KUOW, the Orca Behavior Institute recorded its highest July total yet for Bigg's killer whale sightings in the Salish Sea, while inland waters had no southern resident sightings that ...

Killer whales, also known as orcas, are easily recognized by their stunning black and white appearance. These huge animals can reach up to 26 feet long and are actually the largest members of the ...

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 ...

There was no "Shamu Show" at SeaWorld today as people at the park mourned the death of Dawn Brancheau, the 40-year-old trainer apparently pulled to her death by Tilikum, one of the multiple killer ...

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In the waters off British Columbia, scientists have documented what appears to be the first case of killer whales and dolphins teaming up to hunt together. Two apex predators who seem like they should ...