If they were vegetarian, then why did they have big fangs and claws? Just sayin’...
From another viewpoint...Defense?? Gives them the ability to climb trees without wearing those special shoes.
What can take down a bear?
Maybe half these species died out becuase of inbreeding?? Or "they killed their own" or only one of a litter of three survived...not enough to sustain a species.
Too many males...infighting...??