New research on the eastern North Pacific has revealed that the mammal-eating killer whales off the West Coast are not a ...

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.

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

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer ...

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 ...