Killer whales are intelligent creatures, and scientists have recently discovered a new behavior among the species. Despite ...

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

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

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...

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

Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.

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

The killer whales are using a kind of marine loofah to exfoliate. Rubbing the kelp between their bodies is a form of mutual ...

Australia's kelp forests have been declining, with kelp cover in Victoria's Port Phillip Bay dropping by 59–98% over the last 40 years, while the native purple sea urchin has become 2.5–4.2 ...

Drone footage reveals killer whales using kelp to bond, groom, and possibly heal - offering a rare glimpse into their social ...

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known ...