Scientists discover new whale species
How many killer whales are left in the world? How long orcas live and why they are known as data deficient
Orcas: Facts about killer whales | Live Science
Killer Whale | NOAA Fisheries
Whale-watchers stunned after 'rare' sighting of killer whales off Port Macquarie - ABC News
Are there actually several species of killer whales? - Baleines en direct
Protecting the Southern Resident Killer Whales - Nature and science
Killer whale/orca: New Zealand marine mammals
Concrete tanks are torture for social, intelligent killer whales | Aeon Essays
Killer Whale | NOAA Fisheries
Pacific killer whales are dying — new research shows why
White killer whales were a legend – now they are everywhere | New Scientist
3 orcas from an extremely endangered group are presumed dead, leaving only 73 | CNN
3 orcas from an extremely endangered group are presumed dead, leaving only 73 | CNN
Orca - Wikipedia
:max_bytes(150000):strip_icc()/GettyImages-925955780-c4474f4643844192b25e9a98dc0910b7.jpg "Are Orcas Endangered? Conservation Status and Threats")
Are Orcas Endangered? Conservation Status and Threats
New Type Of Killer Whale Found Swimming In Southern Ocean : NPR
Orca pod spotted off north-west coast renews appeal for UK's only resident killer whales
How the Killer Whale Avoids Eating People, Helped 19th-Century Whalers, and Became Public Enemy Number One | Blog | Nature | PBS
Iceland's Orcas Are Scared of Pilot Whales - The Atlantic
3 orcas from an extremely endangered group are presumed dead, leaving only 73 | CNN
Killer Whale | NOAA Fisheries
Unlocking the Mysteries of the Outer Coast Killer Whales | Hakai Magazine
Orca census shows some improvement, but many whales still die before their time
