A lone killer whale killed a great white killer whale in less than two minutes. Scientists say this could signal an ecological shift

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. A pair of working killer whales have been killing great white sharks along a stretch of the South African coastline since at least 2017, plundering the sharks’ nutrient-rich livers and throwing away the rest. Scientists … Read more

A lone killer whale killed a great white killer whale in less than two minutes. Scientists say this could signal an ecological shift

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. A pair of working killer whales have been killing great white sharks along a stretch of the South African coastline since at least 2017, plundering the sharks’ nutrient-rich livers and throwing away the rest. Scientists … Read more