Are there actually several species of killer whales? - Baleines en direct
Unlocking the Mysteries of the Outer Coast Killer Whales | Hakai Magazine
Killer Whale | NOAA Fisheries
12 Killer Whale Facts | Next Level Sailing
Concrete tanks are torture for social, intelligent killer whales | Aeon Essays
Orcas (Killer Whales): Facts and Information
Killer Whale Hunting Strategies
Killer Whales - Nature Canada
Orca Moms Pay a High Price to Feed Large Adult Sons - The New York Times
Orcas in Captivity | Dolphin Project
Orca - Wikipedia
Answering your burning killer whale questions for Orca Awareness Month | WildWhales
Orca - Wikipedia
Slow down for killer whales off the North American west coast
New killer whale species proposed
ABOUT ORCAS | NorwegianOrcaSurvey
Are Killer Whales Friendly? - Harbor Breeze Cruises
Protecting the Southern Resident Killer Whales - Nature and science
3 orcas from an extremely endangered group are presumed dead, leaving only 73 | CNN
Facts about orcas (killer whales) - Whale and Dolphin Conservation
Orcas, Orcas, Everywhere: the Evolution of Ecotypes — STRAWBERRY ISLE MARINE RESEARCH SOCIETY
Killer Whale | NOAA Fisheries
KUOW - Study: Toxic PCBs threaten orcas around the world
Only 73 southern resident orcas exist in the wild. Scientists just discovered that 3 of them are pregnant. - The Washington Post
Killer whale/orca: New Zealand marine mammals
Killer Whales - Orcinus Orca, Vancouver Island Whale Watch
