Pet food is a super-concentrated source of protein, fat, nutrients and calories. That’s why pet food is super-attractive to bears. In fact, pet food is one of the top three things that attract bears to neighborhoods and homes. A bear’s daily calorie needs quadruple in late summer and early fall. That means a bear that normally needs 5,000 calories a day must now find and consume about 20,000 calories each and every day to gain enough weight to safely hibernate ...