Why Has a Group of Orcas Suddenly Started Attacking Boats?
Briefly

A trio of orcas attacked a boat in the Strait of Gibraltar earlier this month, damaging it so badly that it sank soon afterward.The May 4 incident was the third time killer whales (Orcinus orca) have sunk a vessel off the coasts of Portugal and Spain in the past three years.The subpopulation of orcas in this region began harassing boats, most often by biting at their rudder, in 2020.
Read at www.scientificamerican.com
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