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

In a nutshell Southern resident killer whales are making tools from kelp to groom each other—the first documented case of ...

The black-and-white whale is making this slice almost, through the outer edges of the bait ball. It's deforming the bait ball, and they're pushing them to to aggregate them as tightly as possible.