Following a recent spike in Bering Sea killer whale entanglements, a simple addition to fishing nets has delivered positive ...

The ocean has a definite top predator. Sharks dominate discussions, in part due to their fearsome hunting abilities, and in ...

Researchers observed how transient killer whales (orcas) in Monterey Bay, California spent their time through 270 hours of behavioral observations. Foraging accounted for 84.16% of the time spent by ...

While orcas, also known as "killer whales," are a common sight in the northeast Pacific Ocean, they’re rarely detected in the ...

Researchers document a behavior called "allokelping" in which one killer whale uses kelp to massage the back of another killer whale, near San Juan Island (Reuters) -Killer whales are known for ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their ...

Aerial image of Southern Resident killer whales taken in the Salish Sea off southern Vancouver Island during health research by SR3 SeaLife Response, Rehabilitation and Research. Images by John Durban ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Why it matters: The findings ...

SEATTLE —For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate species and not just different races. In a study published Wednesday, ...

Orcas in the North Pacific have been seen "massaging" each other - rubbing pieces of kelp between their bodies. Using drones, researchers filmed the animals selecting and biting off the kelp, then ...