Study: Polar bears can’t thrive on land, amid record-breaking ice loss

April 2, 2015 5:05 PM

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Bears need high-fat marine prey, but climate change is causing sea ice to melt, forcing them to hunt on land

Polar bears are increasingly feeding on land-based foods instead of their traditional marine prey as climate change reduces the sea ice they use as hunting platforms — a dietary change that has contributed to declining health and survival rates among the species, a team of scientists led by the U.S....

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