Though a lawsuit prompted the disclosure of dozens more records on grizzly bear preservation efforts, it is hard to prove intentional government stonewalling, a federal magistrate ruled.
Today there are between 1,400 and 1,700 grizzly bears on 2 percent of their historic range, down from the roughly 50,000 grizzlies that roamed the lower 48 states in the 1800s. Only an estimated 400 to 600 grizzlies remain in the Greater Yellowstone Habitat.
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