From the Gikumi research vessel, the UBC Marine Mammal Research Unit and the Hakai Institute headed out on the Salish Sea and off the central coast of British Columbia to study the foraging behaviors of resident killer whales. Killer whales live for decades in groups, passing down knowledge. But some whales are at risk of being lost for good due to water and noise pollution, increased shipping traffic, and a shrinking food supply. Southern residents, classified as endangered, are especially at r