3 orcas from an extremely endangered group are presumed dead, leaving only 73 | CNN
12 Killer Whale Facts | Next Level Sailing
Answering your burning killer whale questions for Orca Awareness Month | WildWhales
You can stop calling North Atlantic killer whales type 1 and type 2
Protecting the Southern Resident Killer Whales - Nature and science
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
How many killer whales are left in the world? How long orcas live and why they are known as data deficient
Orca Whales - The Guide to the San Juan Islands
Why are there so many different types of killer whales?" - Eagle Wing Tours
Facts about orcas (killer whales) - Whale and Dolphin Conservation
New killer whale species proposed
Killer whale | Definition & Facts | Britannica
Unlocking the Mysteries of the Outer Coast Killer Whales | Hakai Magazine
Killer whale/orca: New Zealand marine mammals
New Type Of Killer Whale Found Swimming In Southern Ocean : NPR
Are Killer Whales Friendly? - Harbor Breeze Cruises
Concrete tanks are torture for social, intelligent killer whales | Aeon Essays
Killer Whale Hunting Strategies
Orca guide: diet, how they hunt, and what they're related to | Discover Wildlife
Orca - Wikipedia
Orca - Wikipedia
