Roger Kuptana, an Inuit tracker from the Northwest Territories, suspected the American hunter he was guiding had shot a hybrid bear after noticing its white fur was spotted brown and it had the long claws and slightly humped back of a grizzly.

Territorial officials seized the bear's body and a DNA test from Wildlife Genetics International, a lab in British Columbia, confirmed the hybrid was born of a polar bear mother and grizzly father.

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