Yukon Wildlife Cams on Wednesday shared footage of a black bear scent-marking a tree with a back scratch, only to have a grizzly bear claim the tree the same way five days later. The footage reveals a ...

Nothing shatters the calm of a rafting trip quite like the sudden charge of an enraged grizzly. That unimaginable fear became reality for a group of rafters drifting along a scenic Alaskan river.