When salmon runs dwindle on the B.C. coast, the stress levels in grizzlies climb, say researchers who examined hair samples collected from more than 70 bears.And the bears, which gather along rivers in the fall to feed on spawning salmon, take those high stress levels with them into hibernation, perhaps affecting their long-term health, according to a science paper published ...
When salmon runs dwindle on the B.C. coast, the stress levels in grizzlies climb, say researchers who examined hair samples collected from more than 70 bears.And the bears, which gather along rivers in the fall to feed on spawning salmon, take those high stress levels with them into hibernation, perhaps affecting their long-term health, according to a science paper published ...