Drone footage has captured killer whales breaking off stalks of kelp and rubbing the pieces on other orcas, a rare case of tool use in marine animals ...

Southern resident orcas are using kelp tools to groom each other. The fact our local orcas do this grooming together, as a social behavior, is a big deal. Dr. Michael Weiss from the Center for Whale ...

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

To start a kelp-based grooming session, an orca places the bull kelp stipe on its face and nuzzles against another killer ...

Did you know killer whales — also called orcas — might be using kelp (a type of seaweed) like a loofah to scrub and clean each other? That’s right! Scientists just discovered something ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

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 ...

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 ...

Orcas off the west coast of North America are grooming each other with kelp, in a rare sighting of marine mammals manufacturing and using tools. For several years, scientists have been keenly ...