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Polar Bear-Grizzly Hybrids ‘Pizzly Bears’ Explained | IE – Interesting Engineering

Endangered polar bears are mating with grizzly bears thanks to climate change, and there is a new hybrid across the Arctic.

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The world is warming and Arctic sea ice is continuing to melt at unprecedented rates. These changes are driving starving polar bears, who have become the poster child of climate change at this point, even further south, while the heat pushes grizzly bears north. 
More often than not, two animals come in contact while hunting, for example at whale carcass sites, and interact, and they seem to be increasingly engaging in “opportunistic mating,” according to Larisa DeSantis, an associate professor…

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