And while some bad bears do exists, the vast majority of grizzly bears have no interest in harming humans. When they do attack, 99 percent of time it is because the bear feels threatened and 80 percent of the time it's because a mother feels that her kids are threatened, Anderson said.
He added that grizzlies mostly consume things other animals have killed. In fact, 80 percent of the food they consume is vegetarian food like berries and roots.
The animals have to eat 35 pounds of food daily and can weigh up to 1,200 pounds.