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

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use objects to make tools. While the bubble nets that humpback whales use to catch ...

A pair of orcas recently made waves when they were spotted in an unusual location off the United Kingdom. The apex predators ...

Efforts to save the Northwest’s endangered orcas are not working on either side of the U.S.-Canada border, according to an ...

Washington state instated a law Jan. 1 requiring boaters to stay at least 1,000 feet away from orcas. The authors urge the ...

Rubbing against algae to slough off dead skin has been observed in other cetaceans, but never before with what can truly be ...

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

Jared Towers was in his research vessel on two separate occasions watching killer whales off the coast of Vancouver Island ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.