Burt Weissbourd

The northwest corner of Yellowstone Park is closed for bear management, and Rachel, a bear biologist, is discovering some very startling animal behaviour—grizzlies denning in June, swans at their wintering grounds in summer, what appear to be Irish Elk, an extinct species, with huge palmated antlers. There are also horrific mutations in the young—elk calves with no front legs, earless...