Keen Smell. You have advantage on Wisdom (Perception) checks that rely on smell.
Bloodlust. If you begin your turn below half health you succumb to a bloodlust. You must use your action to bite the closest creature to you, moving closer to them if necessary. If there are multiple targets, determine at random who is attacked. If no one is in reach you must dash towards someone. The bloodlust subsides if you don't attack someone within 3 turns or when you successfully bite someone.
Bite Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 15 (1d8 + 2) piercing damage. If the target is a humanoid, it must succeed on a DC 12 Constitution saving throw or be cursed with werebear lycanthropy.
Claw Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 13 (1d6 + 2) slashing damage.