S2 E7: Why are killer whales biting rudders of ships

Story of this episode: It was a cold morning in July 2020. A crew manning a 46ft boat saw a group of killer whales swimming towards them. They waved towards the friendly orcas, whom they had met many times before. But the orcas were in no mood for a friendly chat. They rammed the boat in full force, chewed pieces of its rudder and pushed the boat around, nearly 180 degrees.As the crew panicked and radio-ed the Coast Guard for assistance, the Coast Guard were unsure if they heard their cries o...