The grizzly bear is a North American subspecies of brown bear. It can be an apex predator, famed for its energy and hunting means, and also for its poor mood."Lone, predatory black bears answerable for most human assaults". Anchorage Every day News. eleven May possibly 2011. ^ a b c d e file g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af