Scientists finally figure out why hundreds of gray whales ke

Three mass mortality events have struck a population of gray whales off the west coast of North America since the 1980s, and scientists have linked them to changing conditions in the Arctic.

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United States , America , Joshua Stewart , Arctic Ocean , Pacific Ocean , Atmospheric Administration , National Oceanic , Oregon State University Marine Mammal Institute , North America , Oregon State University , Marine Mammal Institute , North Pacific , Gray Whale , Arctic Sea Ice , Mortality Events ,