The study authors observed the practice in Southern Resident killer whales while sailing in the Salish Sea off the Pacific ...

Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the ...

And killer whale youngsters are fond of playing kelp keep-away. But what the southern residents are doing with the kelp ...

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

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

"They're using the kelp to rub between themselves." During 12 days - between April and July 2024 - of studying a population ...

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

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

“Bull kelp stalk is firm but flexible, like a filled garden hose, with a slippery outer surface. I suspect these features make it an ideal grooming tool,” Weiss said.

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

Restoring Port Phillip Bay’s dwindling kelp forests by culling overgrazing sea urchins would deliver more than $92 million in ...

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