Camille Bains In this July 31, 2015 file photo, an orca leaps out of the water near a whale watching boat in the Salish Sea in the San Juan Islands, Wash. THE CANADIAN PRESS/AP-Elaine Thompson December 13, 2020 - 1:21 PM VANCOUVER - Researchers are aiming to "teach" a computer to recognize the sounds of resident killer whales in order to develop a warning system for preventing ships from fatally striking endangered orcas off British Columbia's coast. Steven Bergner, a computing science research associate at Simon Fraser University's Big Data Hub, said he is collecting and managing a database of sounds picked up 24 hours a day by a network of hydrophones in the Salish Sea.