Scientists spotted the behaviour in drone footage of orcas in the Salish Sea, in the inland waters of the US state of ...

A chance encounter on a rocky seashore led one professor to invent autonomous robotics that can harvest the power of seaweed.

Orcas make seaweed tools in order to scratch each other’s backs, a study has suggested. The animals, also known as killer ...

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

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

Orcas observed making seaweed tools ‘to massage each other’ - Scientists observed the surprising social behaviour, dubbed ...

June 23, 2025 at 4:00pm BST. Orcas make seaweed tools in order to scratch each other’s backs, a study has suggested. The animals, also known as killer whales, were observed detaching lengths of ...

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk ...

The researchers called the new behaviour “allokelping,” which means kelping with another whale. Read more at straitstimes.com. Read more at straitstimes.com.