Orca Follows Passenger Boat For Miles — Then Someone Sees What’s On Its Back

Calls, clicks and pulses

Meanwhile, back at the cove entrance, one of the Sea Scout passengers had noticed something happening with the orca. The animal was still holding position just outside the break. But now it had begun to make noise. A series of calls, clicks, and pulses that carried clearly across the water toward the struggling animals in the cove.