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

In each of these cases, the killer whales approached the people on their own and dropped their prey in front of them. “This ...

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 ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

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

A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...

The encounter, observed by snorkelers in Norway, "involved repeated episodes of gentle, face-to-face oral contact." ...

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

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of ...

Scientists say rare behaviour observed in Pacific Northwest shows how much we still don’t know about marine mammals ...