Killer whales are intelligent, adaptive predators, often teaming up to take down larger prey. Continuous reduction in sea ice in the Arctic Ocean is opening areas to increased killer whale dwelling and predation, potentially creating an ecological imbalance. During the 181st Meeting of the Acoustical Society of America, held from Nov. 29-Dec. 3, Brynn Kimber, from the University of Washington, discussed how killer whales have spent more time than previously recorded in the Arctic, following the decrease in sea ice. Killer whales will often travel to different areas to target varieties of prey. In a study including eight years of passive acoustic data, Kimber and their team monitored killer whale movements using acoustic tools, finding killer whales are spending more time than pr...
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