One female orca may have taught other adults, with younger orcas picking up the behavior from watching the adults perform these coordinated attacks on boats.
The whales approach the boats from behind, striking the"That traumatized orca is the one that started this behavior of physical contact with the boat," Fernandez said.
The behavior may have spread even beyond that population, with a British couple recently sharing their ownJanet Morris and Stephen Bidwell of Cambridge, in eastern England, were enjoying a sailing course off the coast of Morocco recently when they spotted a pod of orcas, they said.The attack lasted for an hour as the whales repeatedly bumped the boat, but the crew managed to navigate to calmer waters and safety. Morris said that he was worried they were"sitting ducks.
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