On more than 30 occasions and across four oceans, orcas have attempted to share their prey with people, potentially to ...

Whales observed in Salish Sea off western North America Behaviour is a rare instance of tool use by marine mammals It may ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

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

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

The team ran experiments offering people who returned bottles the option of getting a typical ten-cent payout—or the small ...

Killer whales continue to surprise us. Earlier this month, we learned that the largest members of the dolphin family use kelp ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.

Researchers have observed a population of orcas that cut and position kelp tools between their bodies to scrub each other’s ...

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 ...

Video footage shows the massive sea creature breaching the ocean surface off Australia with the line clearly visible across ...