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

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

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

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced ...

Killer whales seen using tools to exfoliate their skin - Scientists say rare behaviour observed in Pacific Northwest shows ...

The orcas clearly liked this activity because different whales were recorded preparing the stems eight times and rolling the ...

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