Orca whales have been observed biting off lengths of kelp and using the strands to massage each other — the first known evidence of marine mammals making tools. A group of killer whales off the coast of the United States and Canada were seen removing the ends of seaweed stalks, putting them between their bodies […]
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Orca whales have been observed biting off lengths of kelp and using the strands to massage each other — the first known evidence of marine mammals making tools. A group of killer whales off the coast of the United States and Canada were seen removing the ends of seaweed stalks, putting them between their bodies […]
