Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Killer whales have been spotted hunting down dolphins - and sharing the catch with pals - for the first time. The dramatic new images of orcas in the Humboldt Current system, off Chile, show them ...

"Orcas often share food with each other—it's a prosocial activity and a way that they build relationships with each other.

A 13-day survey conducted in the Clarion-Clipperton Zone (CCZ) found a large variety of marine life living in the region, ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

KILLER whales have been spotted giving gifts to humans in “extremely unusual” behaviour, baffled scientists say. Dozens of ...

After the whale had died and sunk to the bottom of the sea, around 50 orcas were seen feeding on it. The post Can a Dolphin Accidentally Become Dinner When a Humungous Whale Opens Its Mouth ...

Orcas have been spotted hunting down an unexpected dinner off the coast of Chile in a particularly brutal way. The matriarch of this orca pod was seen flinging a dusky dolphin into the air during ...

A pod of killer whales have been spotted hunting down dolphin prey, before sharing the catch with their friends. Photos show the moment the orcas attacking dusky dolphins in the Humboldt Current ...

While there are no observations of orcas hunting fin whales, orcas are known to hunt and eat sei whales (Balaenoptera borealis) in waters near Chilean Patagonia.