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.

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a recently published study in the journal Ecosphere. The types of ...

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 ...

While transient ecotype killer whales are mammal-eating, the resident and offshore orcas are fish-eating. Though killer whale populations in the eastern North Pacific near Vancouver Island and Alaska ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...