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Killer whales are 'attacking' sailboats near Europe's coast. Scientists don't know why

An orca pod seen in the Strait of Gibraltar in 2021. (Renaud de Stephanis/CIRCE Conservación Information and Research)
An orca pod seen in the Strait of Gibraltar in 2021. (Renaud de Stephanis/CIRCE Conservación Information and Research)

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