Along remote coastlines, killer whale parents teach their young how to intentionally beach themselves for prey in a tradition ...

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk, ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper social and cultural ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...

Orcas living off the coast of British Columbia in Canada have been spotted hunting with dolphins and sharing scraps of salmon with them after making a kill. The researchers used underwater video, data ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

For the first time in history, killer whales and dolphins have been caught working together to hunt salmon. After hunting, dolphins have even been confirmed to eat salmon pieces left by killer whales, ...