A Strange New Gene Pool of Animals Is Brewing in the Arctic - Issue 101: In Our Nature
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The journey began in spring 2010, just as the sea ice surrounding the North Pole began its annual melt. Two bowhead whales, 50-foot-long behemoths that scour the Arctic seas for plankton, each started from their homes on opposite sides of North America—one in the Beaufort Sea north of Alaska, the other in Baffin Bay on the west side of Greenland. As the summer progressed, sea ice shrank (to its third-lowest cover in the last 30 years), and the whales swam toward each other through the now ice-free passage above the continent. Two independent teams of scientists from Canada and the United States watched the whales closely via satellite. “We were all pretty excited,” recalls Kristen Laidre, a biologist at the University of Washington and member of the U.S. team. In September, in an inlet (...)