Why Are Gray Whales Moving to the Ocean Next Door?

For the first time in thousands of years, the massive creatures of the Pacific are finding their way across the Arctic to the North Atlantic. But trouble may await them.

RELATED TAGS: ANIMALS, OCEAN
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In 2010, when marine biologist Aviad Scheinin posted a photo online of a gray whale off the coast of Israel, his fellow scientists weren’t buying it. “Nice Photoshopping,” one researcher responded. “Is this April Fools’?” another replied. Their skepticism was understandable. The species had not been seen outside the Pacific Ocean since the 18th century, when whalers are thought to have harpooned the last Atlantic gray whale. But in 2013, another was spotted e...
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