Whales are a widely distributed and diverse group of fully aquatic placental marine mammals.
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Watch: How Killer Whales Hunt the Largest Fish in the Sea
Killer Whales Take Single Breath between Dives, Marine Scientists Confirm
Killer whales breathe just once between dives, study confirms
Killer Whales are separate, distinct species
Killer whales use specialized hunting techniques to catch marine mammals in the open ocean
Shadow Hunters: Shark Scars Reveal New Population of Killer Whales
These Vets Make House Calls for Killer Whales
Scientists Unravel Evolutionary Secrets of “Old Tom” and the Killer Whales of Eden
Killer whales have toxic chemicals in their bodies. A surprising new study shows that their diet seems to be the culprit.
Killer whales' diet more important than location for pollutant exposure
Why are killer whales harassing and killing porpoises without eating them?
Four Killer Whales Are Spotted Off New England Coast
Marine Monsters of the Jurassic Seas Were Twice the Size of Killer Whales
Tastes differ -- even among North Atlantic killer whales
Why Are Killer Whales Ripping Livers Out of Their Shark Prey?
Inbreeding contributes to decline of endangered killer whales
Killer Whales Strike Again - This Time Slaying 19 Sharks
Food quality matters for southern resident killer whales
Toxic toilet paper and long-lasting chemicals found in endangered killer whales
Ken Balcomb, 82, Dies; Revealed the Hidden World of Killer Whales