UBC researchers find little-known type of killer whale that preys on large sea mammals | CBC News
The Killers of California and Oregon – Marine Mammal Research Unit
Unlocking the Mysteries of the Outer Coast Killer Whales | Hakai Magazine
Types of killer whale | Guide to killer whale types - theOrcasonian.com
Sightings of mammal-eating orcas increasing in Puget Sound | HeraldNet.com
Emma Luck on Twitter: "Alaska is home to over 2,000 killer whales, making it one of the best places in the world to study and learn more about these animals. What kinds
Orca (Killer Whale) - Kenai Fjords National Park (U.S. National Park Service)