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

Killer whales turn kelp stalks into tools that they use to groom each other while cleaning their own skin, too, observations ...

The rare and awe-inspiring gestures were documented off the coasts of B.C., California, New Zealand and Norway. Researchers ...

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

Whales are already known to frolic through seaweed in a practice called “kelping”. They are thought to do this partly for fun ...

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

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

We were amazed when we first noticed this behavior,” said Michael Weiss, research director at the Center for Whale Research in the U.S. state of Washington. What started as a puzzling observation in ...

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

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when ...

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

TACOMA, Wash. — A pod of orca whales was spotted playing in Commencement Bay near Tacoma. Video shared with KOMO News by ...