A New Theory for Why Killer Whales Go Through Menopause - Scientific American
Orcas Are Ramming Into Ships Off Europe's Coast, Smart News
How long do Orcas live? Fast facts on killer whale's lifespan, diet
In rare attack, 30 orcas 'badly wounded' 2 adult gray whales in California
Killer Whale NOAA Fisheries
Species Spotlight: Orca, Blog Posts
Killer Whales Are Not Our Friends - The Atlantic
New Type Of Killer Whale Found Swimming In Southern Ocean : NPR
Rare white killer-whale calf spotted off California coast, Whales
Twitter People Think Killer Whales Are 'Orcanizing' With Dolphins
Killer Whale: The Wolf of the Sea — Alaska Wildlife Alliance (AWA)