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

Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

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

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

Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 ...

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

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

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

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 ...