SAN JUAN ISLAND, WASHINGTON – It’s an image you often see on paintings and wood carvings – a giant totemic killer whale, with the images of sea creatures and faces artistically contained within the ...

New research on the eastern North Pacific has revealed that the mammal-eating killer whales off the West Coast are not a single roaming population but two socially distinct communities that rarely, if ...

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 ...

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.

A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

New research confirms two distinct groups of West Coast killer whales with different diets, habitats, and behaviors.