Researchers tie massive Pacific seabird die-off to heat wave

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FILE - In this March 11, 2016 file photo, wildlife biologists Rob Kaler, of the U.S. Fish and Wildlife Service, and Sarah Schoen, of the U.S. Geological Survey, examine body parts of a common murre during a necropsy on in Anchorage, Alaska. Hundreds of thousands of common murres, a fast-flying seabird, died from starvation four winters ago in the North Pacific, and a new research paper attempts to explain why. (AP Photo/Dan Joling, File)