Orcas, also known as killer whales, have been documented using lengths of seaweed to scratch each other's backs, a new study suggests. Researchers observed the marine mammals detaching sections of ...
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Orcas spotted using kelp as grooming tools
(The Hill) – Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known identification of “tool” usage by marine mammals. The “southern ...
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