Add Yahoo as a preferred source to see more of our stories on Google. An endangered Southern Resident Killer Whale, an icon of the Pacific Northwest, breaches near Henry Island in Washington State.© ...

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.

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Grabbing a meal with a friend is way better than dining solo — and killer whales agree. The whales prefer to hunt for herring in pairs, researchers report July 3 in Current Biology. These cetaceans ...